diff --git a/Makefile.common b/Makefile.common
index 48966c1ca1..1473392b37 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -528,8 +528,6 @@ ifeq ($(HAVE_BUILTINMBEDTLS), 1)
                      deps/mbedtls/havege.o \
                      deps/mbedtls/hmac_drbg.o \
                      deps/mbedtls/md.o \
-                     deps/mbedtls/md2.o \
-                     deps/mbedtls/md4.o \
                      deps/mbedtls/md5.o \
                      deps/mbedtls/md_wrap.o \
                      deps/mbedtls/memory_buffer_alloc.o \
diff --git a/deps/mbedtls/aes.c b/deps/mbedtls/aes.c
index 623d644103..842021933f 100644
--- a/deps/mbedtls/aes.c
+++ b/deps/mbedtls/aes.c
@@ -75,273 +75,6 @@
 static int aes_padlock_ace = -1;
 #endif
 
-#if defined(MBEDTLS_AES_ROM_TABLES)
-/*
- * Forward S-box
- */
-static const unsigned char FSb[256] =
-{
-    0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
-    0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
-    0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
-    0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
-    0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
-    0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
-    0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
-    0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
-    0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
-    0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
-    0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
-    0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
-    0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
-    0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
-    0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
-    0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
-    0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
-    0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
-    0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
-    0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
-    0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
-    0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
-    0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
-    0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
-    0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
-    0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
-    0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
-    0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
-    0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
-    0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
-    0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
-    0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
-};
-
-/*
- * Forward tables
- */
-#define FT \
-\
-    V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
-    V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
-    V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
-    V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
-    V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
-    V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
-    V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
-    V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
-    V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
-    V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
-    V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
-    V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
-    V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
-    V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
-    V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
-    V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
-    V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
-    V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
-    V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
-    V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
-    V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
-    V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
-    V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
-    V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
-    V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
-    V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
-    V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
-    V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
-    V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
-    V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
-    V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
-    V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
-    V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
-    V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
-    V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
-    V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
-    V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
-    V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
-    V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
-    V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
-    V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
-    V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
-    V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
-    V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
-    V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
-    V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
-    V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
-    V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
-    V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
-    V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
-    V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
-    V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
-    V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
-    V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
-    V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
-    V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
-    V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
-    V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
-    V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
-    V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
-    V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
-    V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
-    V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
-    V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
-
-#define V(a,b,c,d) 0x##a##b##c##d
-static const uint32_t FT0[256] = { FT };
-#undef V
-
-#define V(a,b,c,d) 0x##b##c##d##a
-static const uint32_t FT1[256] = { FT };
-#undef V
-
-#define V(a,b,c,d) 0x##c##d##a##b
-static const uint32_t FT2[256] = { FT };
-#undef V
-
-#define V(a,b,c,d) 0x##d##a##b##c
-static const uint32_t FT3[256] = { FT };
-#undef V
-
-#undef FT
-
-/*
- * Reverse S-box
- */
-static const unsigned char RSb[256] =
-{
-    0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
-    0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
-    0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
-    0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
-    0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
-    0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
-    0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
-    0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
-    0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
-    0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
-    0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
-    0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
-    0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
-    0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
-    0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
-    0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
-    0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
-    0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
-    0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
-    0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
-    0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
-    0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
-    0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
-    0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
-    0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
-    0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
-    0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
-    0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
-    0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
-    0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
-    0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
-    0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
-};
-
-/*
- * Reverse tables
- */
-#define RT \
-\
-    V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
-    V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
-    V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
-    V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
-    V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
-    V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
-    V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
-    V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
-    V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
-    V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
-    V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
-    V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
-    V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
-    V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
-    V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
-    V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
-    V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
-    V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
-    V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
-    V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
-    V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
-    V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
-    V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
-    V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
-    V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
-    V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
-    V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
-    V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
-    V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
-    V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
-    V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
-    V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
-    V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
-    V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
-    V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
-    V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
-    V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
-    V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
-    V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
-    V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
-    V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
-    V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
-    V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
-    V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
-    V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
-    V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
-    V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
-    V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
-    V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
-    V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
-    V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
-    V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
-    V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
-    V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
-    V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
-    V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
-    V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
-    V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
-    V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
-    V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
-    V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
-    V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
-    V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
-    V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
-
-#define V(a,b,c,d) 0x##a##b##c##d
-static const uint32_t RT0[256] = { RT };
-#undef V
-
-#define V(a,b,c,d) 0x##b##c##d##a
-static const uint32_t RT1[256] = { RT };
-#undef V
-
-#define V(a,b,c,d) 0x##c##d##a##b
-static const uint32_t RT2[256] = { RT };
-#undef V
-
-#define V(a,b,c,d) 0x##d##a##b##c
-static const uint32_t RT3[256] = { RT };
-#undef V
-
-#undef RT
-
-/*
- * Round constants
- */
-static const uint32_t RCON[10] =
-{
-    0x00000001, 0x00000002, 0x00000004, 0x00000008,
-    0x00000010, 0x00000020, 0x00000040, 0x00000080,
-    0x0000001B, 0x00000036
-};
-
-#else /* MBEDTLS_AES_ROM_TABLES */
-
 /*
  * Forward S-box & tables
  */
@@ -450,8 +183,6 @@ static void aes_gen_tables( void )
     }
 }
 
-#endif /* MBEDTLS_AES_ROM_TABLES */
-
 void mbedtls_aes_init( mbedtls_aes_context *ctx )
 {
     memset( ctx, 0, sizeof( mbedtls_aes_context ) );
@@ -475,14 +206,12 @@ int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
     unsigned int i;
     uint32_t *RK;
 
-#if !defined(MBEDTLS_AES_ROM_TABLES)
     if( aes_init_done == 0 )
     {
         aes_gen_tables();
         aes_init_done = 1;
 
     }
-#endif
 
     switch( keybits )
     {
diff --git a/deps/mbedtls/mbedtls/compat-1.3.h b/deps/mbedtls/mbedtls/compat-1.3.h
index 1faa3ed99b..e41030e26a 100644
--- a/deps/mbedtls/mbedtls/compat-1.3.h
+++ b/deps/mbedtls/mbedtls/compat-1.3.h
@@ -45,9 +45,6 @@
 #if defined MBEDTLS_AES_C
 #define POLARSSL_AES_C MBEDTLS_AES_C
 #endif
-#if defined MBEDTLS_AES_ROM_TABLES
-#define POLARSSL_AES_ROM_TABLES MBEDTLS_AES_ROM_TABLES
-#endif
 #if defined MBEDTLS_ARC4_ALT
 #define POLARSSL_ARC4_ALT MBEDTLS_ARC4_ALT
 #endif
@@ -273,24 +270,6 @@
 #if defined MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
 #define POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED
 #endif
-#if defined MBEDTLS_MD2_ALT
-#define POLARSSL_MD2_ALT MBEDTLS_MD2_ALT
-#endif
-#if defined MBEDTLS_MD2_C
-#define POLARSSL_MD2_C MBEDTLS_MD2_C
-#endif
-#if defined MBEDTLS_MD2_PROCESS_ALT
-#define POLARSSL_MD2_PROCESS_ALT MBEDTLS_MD2_PROCESS_ALT
-#endif
-#if defined MBEDTLS_MD4_ALT
-#define POLARSSL_MD4_ALT MBEDTLS_MD4_ALT
-#endif
-#if defined MBEDTLS_MD4_C
-#define POLARSSL_MD4_C MBEDTLS_MD4_C
-#endif
-#if defined MBEDTLS_MD4_PROCESS_ALT
-#define POLARSSL_MD4_PROCESS_ALT MBEDTLS_MD4_PROCESS_ALT
-#endif
 #if defined MBEDTLS_MD5_ALT
 #define POLARSSL_MD5_ALT MBEDTLS_MD5_ALT
 #endif
@@ -621,9 +600,6 @@
 #if defined MBEDTLS_XTEA_C
 #define POLARSSL_XTEA_C MBEDTLS_XTEA_C
 #endif
-#if defined MBEDTLS_ZLIB_SUPPORT
-#define POLARSSL_ZLIB_SUPPORT MBEDTLS_ZLIB_SUPPORT
-#endif
 
 /*
  * Misc names (macros, types, functions, enum constants...)
diff --git a/deps/mbedtls/mbedtls/config.h b/deps/mbedtls/mbedtls/config.h
index 4077e37aca..a03a81fc1e 100644
--- a/deps/mbedtls/mbedtls/config.h
+++ b/deps/mbedtls/mbedtls/config.h
@@ -366,17 +366,6 @@
 #define MBEDTLS_ENTROPY_HARDWARE_ALT
 #endif
 
-/**
- * \def MBEDTLS_AES_ROM_TABLES
- *
- * Store the AES tables in ROM.
- *
- * Uncomment this macro to store the AES tables in ROM.
- */
-#if 0
-#define MBEDTLS_AES_ROM_TABLES
-#endif
-
 /**
  * \def MBEDTLS_CAMELLIA_SMALL_MEMORY
  *
@@ -1421,29 +1410,6 @@
  */
 #define MBEDTLS_X509_RSASSA_PSS_SUPPORT
 
-/**
- * \def MBEDTLS_ZLIB_SUPPORT
- *
- * If set, the SSL/TLS module uses ZLIB to support compression and
- * decompression of packet data.
- *
- * \warning TLS-level compression MAY REDUCE SECURITY! See for example the
- * CRIME attack. Before enabling this option, you should examine with care if
- * CRIME or similar exploits may be a applicable to your use case.
- *
- * \note Currently compression can't be used with DTLS.
- *
- * Used in: library/ssl_tls.c
- *          library/ssl_cli.c
- *          library/ssl_srv.c
- *
- * This feature requires zlib library and headers to be present.
- *
- * Uncomment to enable use of ZLIB
- */
-#if 0
-#define MBEDTLS_ZLIB_SUPPORT
-#endif
 /* \} name SECTION: mbed TLS feature support */
 
 /**
@@ -1949,34 +1915,6 @@
  */
 #define MBEDTLS_MD_C
 
-/**
- * \def MBEDTLS_MD2_C
- *
- * Enable the MD2 hash algorithm.
- *
- * Module:  library/md2.c
- * Caller:
- *
- * Uncomment to enable support for (rare) MD2-signed X.509 certs.
- */
-#if 0
-#define MBEDTLS_MD2_C
-#endif
-
-/**
- * \def MBEDTLS_MD4_C
- *
- * Enable the MD4 hash algorithm.
- *
- * Module:  library/md4.c
- * Caller:
- *
- * Uncomment to enable support for (rare) MD4-signed X.509 certs.
- */
-#if 0
-#define MBEDTLS_MD4_C
-#endif
-
 /**
  * \def MBEDTLS_MD5_C
  *
diff --git a/deps/mbedtls/mbedtls/md_internal.h b/deps/mbedtls/mbedtls/md_internal.h
index e2441bbc49..a09db47352 100644
--- a/deps/mbedtls/mbedtls/md_internal.h
+++ b/deps/mbedtls/mbedtls/md_internal.h
@@ -83,12 +83,6 @@ struct mbedtls_md_info_t
     void (*process_func)( void *ctx, const unsigned char *input );
 };
 
-#if defined(MBEDTLS_MD2_C)
-extern const mbedtls_md_info_t mbedtls_md2_info;
-#endif
-#if defined(MBEDTLS_MD4_C)
-extern const mbedtls_md_info_t mbedtls_md4_info;
-#endif
 #if defined(MBEDTLS_MD5_C)
 extern const mbedtls_md_info_t mbedtls_md5_info;
 #endif
diff --git a/deps/mbedtls/mbedtls/ssl.h b/deps/mbedtls/mbedtls/ssl.h
index 3c6a2ec3e4..de709747c4 100644
--- a/deps/mbedtls/mbedtls/ssl.h
+++ b/deps/mbedtls/mbedtls/ssl.h
@@ -47,10 +47,6 @@
 #include "ecdh.h"
 #endif
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-#include "zlib.h"
-#endif
-
 #if defined(MBEDTLS_HAVE_TIME)
 #include "platform_time.h"
 #endif
@@ -863,9 +859,6 @@ struct mbedtls_ssl_context
     size_t out_msglen;          /*!< record header: message length    */
     size_t out_left;            /*!< amount of data not yet written   */
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    unsigned char *compress_buf;        /*!<  zlib data buffer        */
-#endif
 #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
     signed char split_done;     /*!< current record already splitted? */
 #endif
diff --git a/deps/mbedtls/mbedtls/ssl_internal.h b/deps/mbedtls/mbedtls/ssl_internal.h
index 756360b181..fed9277dd1 100644
--- a/deps/mbedtls/mbedtls/ssl_internal.h
+++ b/deps/mbedtls/mbedtls/ssl_internal.h
@@ -112,11 +112,7 @@
  * and allow for a maximum of 1024 of compression expansion if
  * enabled.
  */
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-#define MBEDTLS_SSL_COMPRESSION_ADD          1024
-#else
 #define MBEDTLS_SSL_COMPRESSION_ADD             0
-#endif
 
 #if defined(MBEDTLS_ARC4_C) || defined(MBEDTLS_CIPHER_MODE_CBC)
 /* Ciphersuites using HMAC */
@@ -315,14 +311,6 @@ struct mbedtls_ssl_transform
 
     mbedtls_cipher_context_t cipher_ctx_enc;    /*!<  encryption context      */
     mbedtls_cipher_context_t cipher_ctx_dec;    /*!<  decryption context      */
-
-    /*
-     * Session specific compression layer
-     */
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    z_stream ctx_deflate;               /*!<  compression context     */
-    z_stream ctx_inflate;               /*!<  decompression context   */
-#endif
 };
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
diff --git a/deps/mbedtls/md.c b/deps/mbedtls/md.c
index 4584310d81..57cf090b89 100644
--- a/deps/mbedtls/md.c
+++ b/deps/mbedtls/md.c
@@ -77,14 +77,6 @@ static const int supported_digests[] = {
         MBEDTLS_MD_MD5,
 #endif
 
-#if defined(MBEDTLS_MD4_C)
-        MBEDTLS_MD_MD4,
-#endif
-
-#if defined(MBEDTLS_MD2_C)
-        MBEDTLS_MD_MD2,
-#endif
-
         MBEDTLS_MD_NONE
 };
 
@@ -99,14 +91,6 @@ const mbedtls_md_info_t *mbedtls_md_info_from_string( const char *md_name )
         return( NULL );
 
     /* Get the appropriate digest information */
-#if defined(MBEDTLS_MD2_C)
-    if( !strcmp( "MD2", md_name ) )
-        return mbedtls_md_info_from_type( MBEDTLS_MD_MD2 );
-#endif
-#if defined(MBEDTLS_MD4_C)
-    if( !strcmp( "MD4", md_name ) )
-        return mbedtls_md_info_from_type( MBEDTLS_MD_MD4 );
-#endif
 #if defined(MBEDTLS_MD5_C)
     if( !strcmp( "MD5", md_name ) )
         return mbedtls_md_info_from_type( MBEDTLS_MD_MD5 );
@@ -138,14 +122,6 @@ const mbedtls_md_info_t *mbedtls_md_info_from_type( mbedtls_md_type_t md_type )
 {
     switch( md_type )
     {
-#if defined(MBEDTLS_MD2_C)
-        case MBEDTLS_MD_MD2:
-            return( &mbedtls_md2_info );
-#endif
-#if defined(MBEDTLS_MD4_C)
-        case MBEDTLS_MD_MD4:
-            return( &mbedtls_md4_info );
-#endif
 #if defined(MBEDTLS_MD5_C)
         case MBEDTLS_MD_MD5:
             return( &mbedtls_md5_info );
diff --git a/deps/mbedtls/md2.c b/deps/mbedtls/md2.c
deleted file mode 100644
index cccba74405..0000000000
--- a/deps/mbedtls/md2.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- *  RFC 1115/1319 compliant MD2 implementation
- *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
- */
-/*
- *  The MD2 algorithm was designed by Ron Rivest in 1989.
- *
- *  http://www.ietf.org/rfc/rfc1115.txt
- *  http://www.ietf.org/rfc/rfc1319.txt
- */
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_MD2_C)
-
-#include "mbedtls/md2.h"
-
-#include <string.h>
-
-#if !defined(MBEDTLS_MD2_ALT)
-
-#include "arc4_alt.h"
-
-static const unsigned char PI_SUBST[256] =
-{
-    0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,
-    0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, 0x62, 0xA7, 0x05, 0xF3,
-    0xC0, 0xC7, 0x73, 0x8C, 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C,
-    0x82, 0xCA, 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,
-    0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, 0xBE, 0x4E,
-    0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, 0xA0, 0xFB, 0xF5, 0x8E,
-    0xBB, 0x2F, 0xEE, 0x7A, 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2,
-    0x07, 0x3F, 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,
-    0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, 0x35, 0x3E,
-    0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, 0xFF, 0x19, 0x30, 0xB3,
-    0x48, 0xA5, 0xB5, 0xD1, 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56,
-    0xAA, 0xC6, 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,
-    0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, 0x45, 0x9D,
-    0x70, 0x59, 0x64, 0x71, 0x87, 0x20, 0x86, 0x5B, 0xCF, 0x65,
-    0xE6, 0x2D, 0xA8, 0x02, 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0,
-    0xB9, 0xF6, 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,
-    0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, 0xC3, 0x5C,
-    0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, 0x2C, 0x53, 0x0D, 0x6E,
-    0x85, 0x28, 0x84, 0x09, 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81,
-    0x4D, 0x52, 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,
-    0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, 0x78, 0x88,
-    0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, 0xE9, 0xCB, 0xD5, 0xFE,
-    0x3B, 0x00, 0x1D, 0x39, 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58,
-    0xD0, 0xE4, 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,
-    0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, 0xDB, 0x99,
-    0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14
-};
-
-void mbedtls_md2_init( mbedtls_md2_context *ctx )
-{
-    memset( ctx, 0, sizeof( mbedtls_md2_context ) );
-}
-
-void mbedtls_md2_free( mbedtls_md2_context *ctx )
-{
-    if( ctx == NULL )
-        return;
-
-    mbedtls_zeroize( ctx, sizeof( mbedtls_md2_context ) );
-}
-
-void mbedtls_md2_clone( mbedtls_md2_context *dst,
-                        const mbedtls_md2_context *src )
-{
-    *dst = *src;
-}
-
-/*
- * MD2 context setup
- */
-void mbedtls_md2_starts( mbedtls_md2_context *ctx )
-{
-    memset( ctx->cksum, 0, 16 );
-    memset( ctx->state, 0, 46 );
-    memset( ctx->buffer, 0, 16 );
-    ctx->left = 0;
-}
-
-#if !defined(MBEDTLS_MD2_PROCESS_ALT)
-void mbedtls_md2_process( mbedtls_md2_context *ctx )
-{
-    int i, j;
-    unsigned char t = 0;
-
-    for( i = 0; i < 16; i++ )
-    {
-        ctx->state[i + 16] = ctx->buffer[i];
-        ctx->state[i + 32] =
-            (unsigned char)( ctx->buffer[i] ^ ctx->state[i]);
-    }
-
-    for( i = 0; i < 18; i++ )
-    {
-        for( j = 0; j < 48; j++ )
-        {
-            ctx->state[j] = (unsigned char)
-               ( ctx->state[j] ^ PI_SUBST[t] );
-            t  = ctx->state[j];
-        }
-
-        t = (unsigned char)( t + i );
-    }
-
-    t = ctx->cksum[15];
-
-    for( i = 0; i < 16; i++ )
-    {
-        ctx->cksum[i] = (unsigned char)
-           ( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] );
-        t  = ctx->cksum[i];
-    }
-}
-#endif /* !MBEDTLS_MD2_PROCESS_ALT */
-
-/*
- * MD2 process buffer
- */
-void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen )
-{
-    size_t fill;
-
-    while( ilen > 0 )
-    {
-        if( ilen > 16 - ctx->left )
-            fill = 16 - ctx->left;
-        else
-            fill = ilen;
-
-        memcpy( ctx->buffer + ctx->left, input, fill );
-
-        ctx->left += fill;
-        input += fill;
-        ilen  -= fill;
-
-        if( ctx->left == 16 )
-        {
-            ctx->left = 0;
-            mbedtls_md2_process( ctx );
-        }
-    }
-}
-
-/*
- * MD2 final digest
- */
-void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] )
-{
-    size_t i;
-    unsigned char x;
-
-    x = (unsigned char)( 16 - ctx->left );
-
-    for( i = ctx->left; i < 16; i++ )
-        ctx->buffer[i] = x;
-
-    mbedtls_md2_process( ctx );
-
-    memcpy( ctx->buffer, ctx->cksum, 16 );
-    mbedtls_md2_process( ctx );
-
-    memcpy( output, ctx->state, 16 );
-}
-
-#endif /* !MBEDTLS_MD2_ALT */
-
-/*
- * output = MD2( input buffer )
- */
-void mbedtls_md2( const unsigned char *input, size_t ilen, unsigned char output[16] )
-{
-    mbedtls_md2_context ctx;
-
-    mbedtls_md2_init( &ctx );
-    mbedtls_md2_starts( &ctx );
-    mbedtls_md2_update( &ctx, input, ilen );
-    mbedtls_md2_finish( &ctx, output );
-    mbedtls_md2_free( &ctx );
-}
-
-#endif /* MBEDTLS_MD2_C */
diff --git a/deps/mbedtls/md4.c b/deps/mbedtls/md4.c
deleted file mode 100644
index 5486f68f26..0000000000
--- a/deps/mbedtls/md4.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- *  RFC 1186/1320 compliant MD4 implementation
- *
- *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  This file is part of mbed TLS (https://tls.mbed.org)
- */
-/*
- *  The MD4 algorithm was designed by Ron Rivest in 1990.
- *
- *  http://www.ietf.org/rfc/rfc1186.txt
- *  http://www.ietf.org/rfc/rfc1320.txt
- */
-
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
-
-#if defined(MBEDTLS_MD4_C)
-
-#include "mbedtls/md4.h"
-
-#include <string.h>
-
-#if !defined(MBEDTLS_MD4_ALT)
-
-#include "arc4_alt.h"
-
-/*
- * 32-bit integer manipulation macros (little endian)
- */
-#ifndef GET_UINT32_LE
-#define GET_UINT32_LE(n,b,i)                            \
-{                                                       \
-    (n) = ( (uint32_t) (b)[(i)    ]       )             \
-        | ( (uint32_t) (b)[(i) + 1] <<  8 )             \
-        | ( (uint32_t) (b)[(i) + 2] << 16 )             \
-        | ( (uint32_t) (b)[(i) + 3] << 24 );            \
-}
-#endif
-
-#ifndef PUT_UINT32_LE
-#define PUT_UINT32_LE(n,b,i)                                    \
-{                                                               \
-    (b)[(i)    ] = (unsigned char) ( ( (n)       ) & 0xFF );    \
-    (b)[(i) + 1] = (unsigned char) ( ( (n) >>  8 ) & 0xFF );    \
-    (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF );    \
-    (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF );    \
-}
-#endif
-
-void mbedtls_md4_init( mbedtls_md4_context *ctx )
-{
-    memset( ctx, 0, sizeof( mbedtls_md4_context ) );
-}
-
-void mbedtls_md4_free( mbedtls_md4_context *ctx )
-{
-    if( ctx == NULL )
-        return;
-
-    mbedtls_zeroize( ctx, sizeof( mbedtls_md4_context ) );
-}
-
-void mbedtls_md4_clone( mbedtls_md4_context *dst,
-                        const mbedtls_md4_context *src )
-{
-    *dst = *src;
-}
-
-/*
- * MD4 context setup
- */
-void mbedtls_md4_starts( mbedtls_md4_context *ctx )
-{
-    ctx->total[0] = 0;
-    ctx->total[1] = 0;
-
-    ctx->state[0] = 0x67452301;
-    ctx->state[1] = 0xEFCDAB89;
-    ctx->state[2] = 0x98BADCFE;
-    ctx->state[3] = 0x10325476;
-}
-
-#if !defined(MBEDTLS_MD4_PROCESS_ALT)
-void mbedtls_md4_process( mbedtls_md4_context *ctx, const unsigned char data[64] )
-{
-    uint32_t X[16], A, B, C, D;
-
-    GET_UINT32_LE( X[ 0], data,  0 );
-    GET_UINT32_LE( X[ 1], data,  4 );
-    GET_UINT32_LE( X[ 2], data,  8 );
-    GET_UINT32_LE( X[ 3], data, 12 );
-    GET_UINT32_LE( X[ 4], data, 16 );
-    GET_UINT32_LE( X[ 5], data, 20 );
-    GET_UINT32_LE( X[ 6], data, 24 );
-    GET_UINT32_LE( X[ 7], data, 28 );
-    GET_UINT32_LE( X[ 8], data, 32 );
-    GET_UINT32_LE( X[ 9], data, 36 );
-    GET_UINT32_LE( X[10], data, 40 );
-    GET_UINT32_LE( X[11], data, 44 );
-    GET_UINT32_LE( X[12], data, 48 );
-    GET_UINT32_LE( X[13], data, 52 );
-    GET_UINT32_LE( X[14], data, 56 );
-    GET_UINT32_LE( X[15], data, 60 );
-
-#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
-
-    A = ctx->state[0];
-    B = ctx->state[1];
-    C = ctx->state[2];
-    D = ctx->state[3];
-
-#define F(x, y, z) ((x & y) | ((~x) & z))
-#define P(a,b,c,d,x,s) { a += F(b,c,d) + x; a = S(a,s); }
-
-    P( A, B, C, D, X[ 0],  3 );
-    P( D, A, B, C, X[ 1],  7 );
-    P( C, D, A, B, X[ 2], 11 );
-    P( B, C, D, A, X[ 3], 19 );
-    P( A, B, C, D, X[ 4],  3 );
-    P( D, A, B, C, X[ 5],  7 );
-    P( C, D, A, B, X[ 6], 11 );
-    P( B, C, D, A, X[ 7], 19 );
-    P( A, B, C, D, X[ 8],  3 );
-    P( D, A, B, C, X[ 9],  7 );
-    P( C, D, A, B, X[10], 11 );
-    P( B, C, D, A, X[11], 19 );
-    P( A, B, C, D, X[12],  3 );
-    P( D, A, B, C, X[13],  7 );
-    P( C, D, A, B, X[14], 11 );
-    P( B, C, D, A, X[15], 19 );
-
-#undef P
-#undef F
-
-#define F(x,y,z) ((x & y) | (x & z) | (y & z))
-#define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x5A827999; a = S(a,s); }
-
-    P( A, B, C, D, X[ 0],  3 );
-    P( D, A, B, C, X[ 4],  5 );
-    P( C, D, A, B, X[ 8],  9 );
-    P( B, C, D, A, X[12], 13 );
-    P( A, B, C, D, X[ 1],  3 );
-    P( D, A, B, C, X[ 5],  5 );
-    P( C, D, A, B, X[ 9],  9 );
-    P( B, C, D, A, X[13], 13 );
-    P( A, B, C, D, X[ 2],  3 );
-    P( D, A, B, C, X[ 6],  5 );
-    P( C, D, A, B, X[10],  9 );
-    P( B, C, D, A, X[14], 13 );
-    P( A, B, C, D, X[ 3],  3 );
-    P( D, A, B, C, X[ 7],  5 );
-    P( C, D, A, B, X[11],  9 );
-    P( B, C, D, A, X[15], 13 );
-
-#undef P
-#undef F
-
-#define F(x,y,z) (x ^ y ^ z)
-#define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x6ED9EBA1; a = S(a,s); }
-
-    P( A, B, C, D, X[ 0],  3 );
-    P( D, A, B, C, X[ 8],  9 );
-    P( C, D, A, B, X[ 4], 11 );
-    P( B, C, D, A, X[12], 15 );
-    P( A, B, C, D, X[ 2],  3 );
-    P( D, A, B, C, X[10],  9 );
-    P( C, D, A, B, X[ 6], 11 );
-    P( B, C, D, A, X[14], 15 );
-    P( A, B, C, D, X[ 1],  3 );
-    P( D, A, B, C, X[ 9],  9 );
-    P( C, D, A, B, X[ 5], 11 );
-    P( B, C, D, A, X[13], 15 );
-    P( A, B, C, D, X[ 3],  3 );
-    P( D, A, B, C, X[11],  9 );
-    P( C, D, A, B, X[ 7], 11 );
-    P( B, C, D, A, X[15], 15 );
-
-#undef F
-#undef P
-
-    ctx->state[0] += A;
-    ctx->state[1] += B;
-    ctx->state[2] += C;
-    ctx->state[3] += D;
-}
-#endif /* !MBEDTLS_MD4_PROCESS_ALT */
-
-/*
- * MD4 process buffer
- */
-void mbedtls_md4_update( mbedtls_md4_context *ctx, const unsigned char *input, size_t ilen )
-{
-    size_t fill;
-    uint32_t left;
-
-    if( ilen == 0 )
-        return;
-
-    left = ctx->total[0] & 0x3F;
-    fill = 64 - left;
-
-    ctx->total[0] += (uint32_t) ilen;
-    ctx->total[0] &= 0xFFFFFFFF;
-
-    if( ctx->total[0] < (uint32_t) ilen )
-        ctx->total[1]++;
-
-    if( left && ilen >= fill )
-    {
-        memcpy( (void *) (ctx->buffer + left),
-                (void *) input, fill );
-        mbedtls_md4_process( ctx, ctx->buffer );
-        input += fill;
-        ilen  -= fill;
-        left = 0;
-    }
-
-    while( ilen >= 64 )
-    {
-        mbedtls_md4_process( ctx, input );
-        input += 64;
-        ilen  -= 64;
-    }
-
-    if( ilen > 0 )
-    {
-        memcpy( (void *) (ctx->buffer + left),
-                (void *) input, ilen );
-    }
-}
-
-static const unsigned char md4_padding[64] =
-{
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-/*
- * MD4 final digest
- */
-void mbedtls_md4_finish( mbedtls_md4_context *ctx, unsigned char output[16] )
-{
-    uint32_t last, padn;
-    uint32_t high, low;
-    unsigned char msglen[8];
-
-    high = ( ctx->total[0] >> 29 )
-         | ( ctx->total[1] <<  3 );
-    low  = ( ctx->total[0] <<  3 );
-
-    PUT_UINT32_LE( low,  msglen, 0 );
-    PUT_UINT32_LE( high, msglen, 4 );
-
-    last = ctx->total[0] & 0x3F;
-    padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
-
-    mbedtls_md4_update( ctx, (unsigned char *) md4_padding, padn );
-    mbedtls_md4_update( ctx, msglen, 8 );
-
-    PUT_UINT32_LE( ctx->state[0], output,  0 );
-    PUT_UINT32_LE( ctx->state[1], output,  4 );
-    PUT_UINT32_LE( ctx->state[2], output,  8 );
-    PUT_UINT32_LE( ctx->state[3], output, 12 );
-}
-
-#endif /* !MBEDTLS_MD4_ALT */
-
-/*
- * output = MD4( input buffer )
- */
-void mbedtls_md4( const unsigned char *input, size_t ilen, unsigned char output[16] )
-{
-    mbedtls_md4_context ctx;
-
-    mbedtls_md4_init( &ctx );
-    mbedtls_md4_starts( &ctx );
-    mbedtls_md4_update( &ctx, input, ilen );
-    mbedtls_md4_finish( &ctx, output );
-    mbedtls_md4_free( &ctx );
-}
-
-#endif /* MBEDTLS_MD4_C */
diff --git a/deps/mbedtls/md_wrap.c b/deps/mbedtls/md_wrap.c
index 2cfcae200e..d23ce95378 100644
--- a/deps/mbedtls/md_wrap.c
+++ b/deps/mbedtls/md_wrap.c
@@ -33,14 +33,6 @@
 
 #include "mbedtls/md_internal.h"
 
-#if defined(MBEDTLS_MD2_C)
-#include "mbedtls/md2.h"
-#endif
-
-#if defined(MBEDTLS_MD4_C)
-#include "mbedtls/md4.h"
-#endif
-
 #if defined(MBEDTLS_MD5_C)
 #include "mbedtls/md5.h"
 #endif
@@ -69,132 +61,6 @@
 #define mbedtls_free       free
 #endif
 
-#if defined(MBEDTLS_MD2_C)
-
-static void md2_starts_wrap( void *ctx )
-{
-    mbedtls_md2_starts( (mbedtls_md2_context *) ctx );
-}
-
-static void md2_update_wrap( void *ctx, const unsigned char *input,
-                             size_t ilen )
-{
-    mbedtls_md2_update( (mbedtls_md2_context *) ctx, input, ilen );
-}
-
-static void md2_finish_wrap( void *ctx, unsigned char *output )
-{
-    mbedtls_md2_finish( (mbedtls_md2_context *) ctx, output );
-}
-
-static void *md2_ctx_alloc( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md2_context ) );
-
-    if( ctx != NULL )
-        mbedtls_md2_init( (mbedtls_md2_context *) ctx );
-
-    return( ctx );
-}
-
-static void md2_ctx_free( void *ctx )
-{
-    mbedtls_md2_free( (mbedtls_md2_context *) ctx );
-    mbedtls_free( ctx );
-}
-
-static void md2_clone_wrap( void *dst, const void *src )
-{
-    mbedtls_md2_clone( (mbedtls_md2_context *) dst,
-                 (const mbedtls_md2_context *) src );
-}
-
-static void md2_process_wrap( void *ctx, const unsigned char *data )
-{
-    ((void) data);
-
-    mbedtls_md2_process( (mbedtls_md2_context *) ctx );
-}
-
-const mbedtls_md_info_t mbedtls_md2_info = {
-    MBEDTLS_MD_MD2,
-    "MD2",
-    16,
-    16,
-    md2_starts_wrap,
-    md2_update_wrap,
-    md2_finish_wrap,
-    mbedtls_md2,
-    md2_ctx_alloc,
-    md2_ctx_free,
-    md2_clone_wrap,
-    md2_process_wrap,
-};
-
-#endif /* MBEDTLS_MD2_C */
-
-#if defined(MBEDTLS_MD4_C)
-
-static void md4_starts_wrap( void *ctx )
-{
-    mbedtls_md4_starts( (mbedtls_md4_context *) ctx );
-}
-
-static void md4_update_wrap( void *ctx, const unsigned char *input,
-                             size_t ilen )
-{
-    mbedtls_md4_update( (mbedtls_md4_context *) ctx, input, ilen );
-}
-
-static void md4_finish_wrap( void *ctx, unsigned char *output )
-{
-    mbedtls_md4_finish( (mbedtls_md4_context *) ctx, output );
-}
-
-static void *md4_ctx_alloc( void )
-{
-    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md4_context ) );
-
-    if( ctx != NULL )
-        mbedtls_md4_init( (mbedtls_md4_context *) ctx );
-
-    return( ctx );
-}
-
-static void md4_ctx_free( void *ctx )
-{
-    mbedtls_md4_free( (mbedtls_md4_context *) ctx );
-    mbedtls_free( ctx );
-}
-
-static void md4_clone_wrap( void *dst, const void *src )
-{
-    mbedtls_md4_clone( (mbedtls_md4_context *) dst,
-                 (const mbedtls_md4_context *) src );
-}
-
-static void md4_process_wrap( void *ctx, const unsigned char *data )
-{
-    mbedtls_md4_process( (mbedtls_md4_context *) ctx, data );
-}
-
-const mbedtls_md_info_t mbedtls_md4_info = {
-    MBEDTLS_MD_MD4,
-    "MD4",
-    16,
-    64,
-    md4_starts_wrap,
-    md4_update_wrap,
-    md4_finish_wrap,
-    mbedtls_md4,
-    md4_ctx_alloc,
-    md4_ctx_free,
-    md4_clone_wrap,
-    md4_process_wrap,
-};
-
-#endif /* MBEDTLS_MD4_C */
-
 #if defined(MBEDTLS_MD5_C)
 
 static void md5_starts_wrap( void *ctx )
diff --git a/deps/mbedtls/oid.c b/deps/mbedtls/oid.c
index 96011e02aa..2b4d733202 100644
--- a/deps/mbedtls/oid.c
+++ b/deps/mbedtls/oid.c
@@ -309,18 +309,6 @@ typedef struct {
 static const oid_sig_alg_t oid_sig_alg[] =
 {
 #if defined(MBEDTLS_RSA_C)
-#if defined(MBEDTLS_MD2_C)
-    {
-        { ADD_LEN( MBEDTLS_OID_PKCS1_MD2 ),        "md2WithRSAEncryption",     "RSA with MD2" },
-        MBEDTLS_MD_MD2,      MBEDTLS_PK_RSA,
-    },
-#endif /* MBEDTLS_MD2_C */
-#if defined(MBEDTLS_MD4_C)
-    {
-        { ADD_LEN( MBEDTLS_OID_PKCS1_MD4 ),        "md4WithRSAEncryption",     "RSA with MD4" },
-        MBEDTLS_MD_MD4,      MBEDTLS_PK_RSA,
-    },
-#endif /* MBEDTLS_MD4_C */
 #if defined(MBEDTLS_MD5_C)
     {
         { ADD_LEN( MBEDTLS_OID_PKCS1_MD5 ),        "md5WithRSAEncryption",     "RSA with MD5" },
@@ -566,18 +554,6 @@ typedef struct {
 
 static const oid_md_alg_t oid_md_alg[] =
 {
-#if defined(MBEDTLS_MD2_C)
-    {
-        { ADD_LEN( MBEDTLS_OID_DIGEST_ALG_MD2 ),       "id-md2",       "MD2" },
-        MBEDTLS_MD_MD2,
-    },
-#endif /* MBEDTLS_MD2_C */
-#if defined(MBEDTLS_MD4_C)
-    {
-        { ADD_LEN( MBEDTLS_OID_DIGEST_ALG_MD4 ),       "id-md4",       "MD4" },
-        MBEDTLS_MD_MD4,
-    },
-#endif /* MBEDTLS_MD4_C */
 #if defined(MBEDTLS_MD5_C)
     {
         { ADD_LEN( MBEDTLS_OID_DIGEST_ALG_MD5 ),       "id-md5",       "MD5" },
diff --git a/deps/mbedtls/ssl_cli.c b/deps/mbedtls/ssl_cli.c
index 93b71fc643..a29e5df55f 100644
--- a/deps/mbedtls/ssl_cli.c
+++ b/deps/mbedtls/ssl_cli.c
@@ -916,11 +916,7 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
 
     MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites", n ) );
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    offer_compress = 1;
-#else
     offer_compress = 0;
-#endif
 
     /*
      * We don't support compression with DTLS right now: is many records come
@@ -1374,9 +1370,6 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
     size_t ext_len;
     unsigned char *buf, *ext;
     unsigned char comp;
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    int accept_comp;
-#endif
 #if defined(MBEDTLS_SSL_RENEGOTIATION)
     int renegotiation_info_seen = 0;
 #endif
@@ -1532,20 +1525,7 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
      */
     comp = buf[37 + n];
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    /* See comments in ssl_write_client_hello() */
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        accept_comp = 0;
-    else
-#endif
-        accept_comp = 1;
-
-    if( comp != MBEDTLS_SSL_COMPRESS_NULL &&
-        ( comp != MBEDTLS_SSL_COMPRESS_DEFLATE || accept_comp == 0 ) )
-#else /* MBEDTLS_ZLIB_SUPPORT */
     if( comp != MBEDTLS_SSL_COMPRESS_NULL )
-#endif/* MBEDTLS_ZLIB_SUPPORT */
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "server hello, bad compression: %d", comp ) );
         mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
@@ -1647,9 +1627,6 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
     }
 
     if( comp != MBEDTLS_SSL_COMPRESS_NULL
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-        && comp != MBEDTLS_SSL_COMPRESS_DEFLATE
-#endif
       )
     {
         MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
diff --git a/deps/mbedtls/ssl_srv.c b/deps/mbedtls/ssl_srv.c
index 81276fe6c8..8ffcce2888 100644
--- a/deps/mbedtls/ssl_srv.c
+++ b/deps/mbedtls/ssl_srv.c
@@ -1546,16 +1546,6 @@ read_record_header:
                       buf + comp_offset + 1, comp_len );
 
     ssl->session_negotiate->compression = MBEDTLS_SSL_COMPRESS_NULL;
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    for( i = 0; i < comp_len; ++i )
-    {
-        if( buf[comp_offset + 1 + i] == MBEDTLS_SSL_COMPRESS_DEFLATE )
-        {
-            ssl->session_negotiate->compression = MBEDTLS_SSL_COMPRESS_DEFLATE;
-            break;
-        }
-    }
-#endif
 
     /* See comments in ssl_write_client_hello() */
 #if defined(MBEDTLS_SSL_PROTO_DTLS)
diff --git a/deps/mbedtls/ssl_tls.c b/deps/mbedtls/ssl_tls.c
index 841cab60ee..c652fc8985 100644
--- a/deps/mbedtls/ssl_tls.c
+++ b/deps/mbedtls/ssl_tls.c
@@ -913,38 +913,6 @@ int mbedtls_ssl_derive_keys( mbedtls_ssl_context *ssl )
 
     mbedtls_zeroize( keyblk, sizeof( keyblk ) );
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    // Initialize compression
-    //
-    if( session->compression == MBEDTLS_SSL_COMPRESS_DEFLATE )
-    {
-        if( ssl->compress_buf == NULL )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 3, ( "Allocating compression buffer" ) );
-            ssl->compress_buf = calloc( 1, MBEDTLS_SSL_BUFFER_LEN );
-            if( ssl->compress_buf == NULL )
-            {
-                MBEDTLS_SSL_DEBUG_MSG( 1, ( "alloc(%d bytes) failed",
-                                    MBEDTLS_SSL_BUFFER_LEN ) );
-                return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
-            }
-        }
-
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "Initializing zlib states" ) );
-
-        memset( &transform->ctx_deflate, 0, sizeof( transform->ctx_deflate ) );
-        memset( &transform->ctx_inflate, 0, sizeof( transform->ctx_inflate ) );
-
-        if( deflateInit( &transform->ctx_deflate,
-                         Z_DEFAULT_COMPRESSION )   != Z_OK ||
-            inflateInit( &transform->ctx_inflate ) != Z_OK )
-        {
-            MBEDTLS_SSL_DEBUG_MSG( 1, ( "Failed to initialize compression" ) );
-            return( MBEDTLS_ERR_SSL_COMPRESSION_FAILED );
-        }
-    }
-#endif /* MBEDTLS_ZLIB_SUPPORT */
-
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= derive keys" ) );
 
     return( 0 );
@@ -2048,103 +2016,6 @@ static int ssl_decrypt_buf( mbedtls_ssl_context *ssl )
 #undef MAC_PLAINTEXT
 #undef MAC_CIPHERTEXT
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-/*
- * Compression/decompression functions
- */
-static int ssl_compress_buf( mbedtls_ssl_context *ssl )
-{
-    int ret;
-    unsigned char *msg_post = ssl->out_msg;
-    size_t len_pre = ssl->out_msglen;
-    unsigned char *msg_pre = ssl->compress_buf;
-
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> compress buf" ) );
-
-    if( len_pre == 0 )
-        return( 0 );
-
-    memcpy( msg_pre, ssl->out_msg, len_pre );
-
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "before compression: msglen = %d, ",
-                   ssl->out_msglen ) );
-
-    MBEDTLS_SSL_DEBUG_BUF( 4, "before compression: output payload",
-                   ssl->out_msg, ssl->out_msglen );
-
-    ssl->transform_out->ctx_deflate.next_in = msg_pre;
-    ssl->transform_out->ctx_deflate.avail_in = len_pre;
-    ssl->transform_out->ctx_deflate.next_out = msg_post;
-    ssl->transform_out->ctx_deflate.avail_out = MBEDTLS_SSL_BUFFER_LEN;
-
-    ret = deflate( &ssl->transform_out->ctx_deflate, Z_SYNC_FLUSH );
-    if( ret != Z_OK )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "failed to perform compression (%d)", ret ) );
-        return( MBEDTLS_ERR_SSL_COMPRESSION_FAILED );
-    }
-
-    ssl->out_msglen = MBEDTLS_SSL_BUFFER_LEN -
-                      ssl->transform_out->ctx_deflate.avail_out;
-
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "after compression: msglen = %d, ",
-                   ssl->out_msglen ) );
-
-    MBEDTLS_SSL_DEBUG_BUF( 4, "after compression: output payload",
-                   ssl->out_msg, ssl->out_msglen );
-
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= compress buf" ) );
-
-    return( 0 );
-}
-
-static int ssl_decompress_buf( mbedtls_ssl_context *ssl )
-{
-    int ret;
-    unsigned char *msg_post = ssl->in_msg;
-    size_t len_pre = ssl->in_msglen;
-    unsigned char *msg_pre = ssl->compress_buf;
-
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> decompress buf" ) );
-
-    if( len_pre == 0 )
-        return( 0 );
-
-    memcpy( msg_pre, ssl->in_msg, len_pre );
-
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "before decompression: msglen = %d, ",
-                   ssl->in_msglen ) );
-
-    MBEDTLS_SSL_DEBUG_BUF( 4, "before decompression: input payload",
-                   ssl->in_msg, ssl->in_msglen );
-
-    ssl->transform_in->ctx_inflate.next_in = msg_pre;
-    ssl->transform_in->ctx_inflate.avail_in = len_pre;
-    ssl->transform_in->ctx_inflate.next_out = msg_post;
-    ssl->transform_in->ctx_inflate.avail_out = MBEDTLS_SSL_MAX_CONTENT_LEN;
-
-    ret = inflate( &ssl->transform_in->ctx_inflate, Z_SYNC_FLUSH );
-    if( ret != Z_OK )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 1, ( "failed to perform decompression (%d)", ret ) );
-        return( MBEDTLS_ERR_SSL_COMPRESSION_FAILED );
-    }
-
-    ssl->in_msglen = MBEDTLS_SSL_MAX_CONTENT_LEN -
-                     ssl->transform_in->ctx_inflate.avail_out;
-
-    MBEDTLS_SSL_DEBUG_MSG( 3, ( "after decompression: msglen = %d, ",
-                   ssl->in_msglen ) );
-
-    MBEDTLS_SSL_DEBUG_BUF( 4, "after decompression: input payload",
-                   ssl->in_msg, ssl->in_msglen );
-
-    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= decompress buf" ) );
-
-    return( 0 );
-}
-#endif /* MBEDTLS_ZLIB_SUPPORT */
-
 #if defined(MBEDTLS_SSL_SRV_C) && defined(MBEDTLS_SSL_RENEGOTIATION)
 static int ssl_write_hello_request( mbedtls_ssl_context *ssl );
 
@@ -2770,20 +2641,6 @@ int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl )
     }
 #endif
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    if( ssl->transform_out != NULL &&
-        ssl->session_out->compression == MBEDTLS_SSL_COMPRESS_DEFLATE )
-    {
-        if( ( ret = ssl_compress_buf( ssl ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_compress_buf", ret );
-            return( ret );
-        }
-
-        len = ssl->out_msglen;
-    }
-#endif /*MBEDTLS_ZLIB_SUPPORT */
-
 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
     if( mbedtls_ssl_hw_record_write != NULL )
     {
@@ -3675,18 +3532,6 @@ static int ssl_prepare_record_content( mbedtls_ssl_context *ssl )
         }
     }
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    if( ssl->transform_in != NULL &&
-        ssl->session_in->compression == MBEDTLS_SSL_COMPRESS_DEFLATE )
-    {
-        if( ( ret = ssl_decompress_buf( ssl ) ) != 0 )
-        {
-            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_decompress_buf", ret );
-            return( ret );
-        }
-    }
-#endif /* MBEDTLS_ZLIB_SUPPORT */
-
 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
     if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
     {
@@ -6425,11 +6270,6 @@ int mbedtls_ssl_get_record_expansion( const mbedtls_ssl_context *ssl )
     size_t transform_expansion;
     const mbedtls_ssl_transform *transform = ssl->transform_out;
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    if( ssl->session_out->compression != MBEDTLS_SSL_COMPRESS_NULL )
-        return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
-#endif
-
     if( transform == NULL )
         return( (int) mbedtls_ssl_hdr_len( ssl ) );
 
@@ -7189,11 +7029,6 @@ void mbedtls_ssl_transform_free( mbedtls_ssl_transform *transform )
     if( transform == NULL )
         return;
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    deflateEnd( &transform->ctx_deflate );
-    inflateEnd( &transform->ctx_inflate );
-#endif
-
     mbedtls_cipher_free( &transform->cipher_ctx_enc );
     mbedtls_cipher_free( &transform->cipher_ctx_dec );
 
@@ -7335,14 +7170,6 @@ void mbedtls_ssl_free( mbedtls_ssl_context *ssl )
         free( ssl->in_buf );
     }
 
-#if defined(MBEDTLS_ZLIB_SUPPORT)
-    if( ssl->compress_buf != NULL )
-    {
-        mbedtls_zeroize( ssl->compress_buf, MBEDTLS_SSL_BUFFER_LEN );
-        free( ssl->compress_buf );
-    }
-#endif
-
     if( ssl->transform )
     {
         mbedtls_ssl_transform_free( ssl->transform );
diff --git a/griffin/griffin.c b/griffin/griffin.c
index c1d9ae4f2a..d5ff8d3e20 100644
--- a/griffin/griffin.c
+++ b/griffin/griffin.c
@@ -1550,8 +1550,6 @@ SSL
 #include "../deps/mbedtls/havege.c"
 #include "../deps/mbedtls/hmac_drbg.c"
 #include "../deps/mbedtls/md.c"
-#include "../deps/mbedtls/md2.c"
-#include "../deps/mbedtls/md4.c"
 #include "../deps/mbedtls/md5.c"
 #include "../deps/mbedtls/md_wrap.c"
 #include "../deps/mbedtls/memory_buffer_alloc.c"