diff --git a/src/common/tusb_compiler.h b/src/common/tusb_compiler.h
index d3284c62a..38e6a16d0 100644
--- a/src/common/tusb_compiler.h
+++ b/src/common/tusb_compiler.h
@@ -137,9 +137,11 @@
   #define TU_BSWAP16(u16) (__builtin_bswap16(u16))
   #define TU_BSWAP32(u32) (__builtin_bswap32(u32))
 
+	#ifndef __ARMCC_VERSION
   // List of obsolete callback function that is renamed and should not be defined.
   // Put it here since only gcc support this pragma
-  #pragma GCC poison tud_vendor_control_request_cb
+		#pragma GCC poison tud_vendor_control_request_cb
+	#endif
 
 #elif defined(__TI_COMPILER_VERSION__)
   #define TU_ATTR_ALIGNED(Bytes)        __attribute__ ((aligned(Bytes)))
diff --git a/src/device/dcd.h b/src/device/dcd.h
index c042cc708..fbcef40d4 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -106,12 +106,12 @@ typedef struct TU_ATTR_ALIGNED(4)
 void dcd_init       (uint8_t rhport);
 
 // Interrupt Handler
-#if __GNUC__
+#if __GNUC__ && !defined(__ARMCC_VERSION)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wredundant-decls"
 #endif
 void dcd_int_handler(uint8_t rhport);
-#if __GNUC__
+#if __GNUC__ && !defined(__ARMCC_VERSION)
 #pragma GCC diagnostic pop
 #endif
 
diff --git a/src/osal/osal.h b/src/osal/osal.h
index c8131d19d..9194f80d5 100644
--- a/src/osal/osal.h
+++ b/src/osal/osal.h
@@ -67,7 +67,7 @@ typedef void (*osal_task_func_t)( void * );
 // OSAL Porting API
 //--------------------------------------------------------------------+
 
-#if __GNUC__
+#if __GNUC__ && !defined(__ARMCC_VERSION)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wredundant-decls"
 #endif
@@ -88,7 +88,7 @@ static inline osal_queue_t osal_queue_create(osal_queue_def_t* qdef);
 static inline bool osal_queue_receive(osal_queue_t qhdl, void* data);
 static inline bool osal_queue_send(osal_queue_t qhdl, void const * data, bool in_isr);
 static inline bool osal_queue_empty(osal_queue_t qhdl);
-#if __GNUC__
+#if __GNUC__ && !defined(__ARMCC_VERSION)
 #pragma GCC diagnostic pop
 #endif