diff --git a/pkgs/applications/audio/ncmpcpp/default.nix b/pkgs/applications/audio/ncmpcpp/default.nix
index 6643b4475d35..8dc15195a458 100644
--- a/pkgs/applications/audio/ncmpcpp/default.nix
+++ b/pkgs/applications/audio/ncmpcpp/default.nix
@@ -42,6 +42,6 @@ stdenv.mkDerivation rec {
     homepage    = http://ncmpcpp.rybczak.net/;
     license     = licenses.gpl2Plus;
     maintainers = with maintainers; [ lovek323 mornfall koral ];
-    platforms   = platforms.all;
+    platforms   = platforms.linux;
   };
 }
diff --git a/pkgs/applications/editors/vim/configurable.nix b/pkgs/applications/editors/vim/configurable.nix
index f0d76eae3b4f..494bfb2ed8fa 100644
--- a/pkgs/applications/editors/vim/configurable.nix
+++ b/pkgs/applications/editors/vim/configurable.nix
@@ -199,7 +199,7 @@ composableDerivation {
     homepage    = http://www.vim.org;
     license = licenses.vim;
     maintainers = with maintainers; [ lovek323 ];
-    platforms   = platforms.unix;
+    platforms   = platforms.linux;
   };
 })
 
diff --git a/pkgs/applications/graphics/gimp/2.8.nix b/pkgs/applications/graphics/gimp/2.8.nix
index bc101e241145..48278f5aac57 100644
--- a/pkgs/applications/graphics/gimp/2.8.nix
+++ b/pkgs/applications/graphics/gimp/2.8.nix
@@ -49,6 +49,6 @@ stdenv.mkDerivation rec {
     description = "The GNU Image Manipulation Program";
     homepage = http://www.gimp.org/;
     license = stdenv.lib.licenses.gpl3Plus;
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/applications/misc/sdcv/default.nix b/pkgs/applications/misc/sdcv/default.nix
index 8e781cd1c026..f808ec611a33 100644
--- a/pkgs/applications/misc/sdcv/default.nix
+++ b/pkgs/applications/misc/sdcv/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     description = "Console version of StarDict program";
     maintainers = with stdenv.lib.maintainers; [ lovek323 ];
     license = stdenv.lib.licenses.gpl2;
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
   };
 
   src = fetchurl {
diff --git a/pkgs/applications/networking/feedreaders/newsbeuter/default.nix b/pkgs/applications/networking/feedreaders/newsbeuter/default.nix
index ec604e9918bf..d2c1a2aeb073 100644
--- a/pkgs/applications/networking/feedreaders/newsbeuter/default.nix
+++ b/pkgs/applications/networking/feedreaders/newsbeuter/default.nix
@@ -42,6 +42,6 @@ stdenv.mkDerivation rec {
     description = "An open-source RSS/Atom feed reader for text terminals";
     maintainers = with stdenv.lib.maintainers; [ lovek323 ];
     license     = stdenv.lib.licenses.mit;
-    platforms   = stdenv.lib.platforms.unix;
+    platforms   = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/applications/networking/feedreaders/newsbeuter/dev.nix b/pkgs/applications/networking/feedreaders/newsbeuter/dev.nix
index 4dbd0d5e854a..93865eb1875f 100644
--- a/pkgs/applications/networking/feedreaders/newsbeuter/dev.nix
+++ b/pkgs/applications/networking/feedreaders/newsbeuter/dev.nix
@@ -40,6 +40,6 @@ stdenv.mkDerivation rec {
     description = "An open-source RSS/Atom feed reader for text terminals";
     maintainers = with maintainers; [ lovek323 ];
     license     = licenses.mit;
-    platforms   = platforms.unix;
+    platforms   = platforms.linux;
   };
 }
diff --git a/pkgs/applications/science/logic/prover9/default.nix b/pkgs/applications/science/logic/prover9/default.nix
index 9c09ea3db980..43c2ae141b7a 100644
--- a/pkgs/applications/science/logic/prover9/default.nix
+++ b/pkgs/applications/science/logic/prover9/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
       for first-order and equational logic. Prover9 is a successor of
       the Otter Prover. This is the LADR command-line version.
     '';
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [];
   };
 }
diff --git a/pkgs/applications/science/math/yacas/default.nix b/pkgs/applications/science/math/yacas/default.nix
index adf87c4ee5ba..0f6dc35fe0cb 100644
--- a/pkgs/applications/science/math/yacas/default.nix
+++ b/pkgs/applications/science/math/yacas/default.nix
@@ -39,6 +39,6 @@ stdenv.mkDerivation rec {
       homepage = http://yacas.sourceforge.net/;
       license = stdenv.lib.licenses.gpl2Plus;
       maintainers = with stdenv.lib.maintainers; [viric];
-      platforms = with stdenv.lib.platforms; all;
+      platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/applications/version-management/rcs/default.nix b/pkgs/applications/version-management/rcs/default.nix
index ed69f4a42202..5acced4ac077 100644
--- a/pkgs/applications/version-management/rcs/default.nix
+++ b/pkgs/applications/version-management/rcs/default.nix
@@ -27,6 +27,6 @@ stdenv.mkDerivation rec {
 
     license = stdenv.lib.licenses.gpl3Plus;
     maintainers = with stdenv.lib.maintainers; [ eelco ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/applications/video/gpac/default.nix b/pkgs/applications/video/gpac/default.nix
index 84848d587533..927842916a15 100644
--- a/pkgs/applications/video/gpac/default.nix
+++ b/pkgs/applications/video/gpac/default.nix
@@ -31,6 +31,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.lgpl21;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/compilers/ocaml/3.12.1.nix b/pkgs/development/compilers/ocaml/3.12.1.nix
index e9073a42cf0c..e14667ce1311 100644
--- a/pkgs/development/compilers/ocaml/3.12.1.nix
+++ b/pkgs/development/compilers/ocaml/3.12.1.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = with platforms; linux ++ darwin;
+    platforms = with platforms; linux;
   };
 
 }
diff --git a/pkgs/development/compilers/ocaml/4.00.1.nix b/pkgs/development/compilers/ocaml/4.00.1.nix
index b366f20ffb6e..8ad3620bc737 100644
--- a/pkgs/development/compilers/ocaml/4.00.1.nix
+++ b/pkgs/development/compilers/ocaml/4.00.1.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
         and a documentation generator (ocamldoc).
       '';
 
-    platforms = with platforms; linux ++ darwin;
+    platforms = with platforms; linux;
   };
 
 }
diff --git a/pkgs/development/compilers/sbcl/1.2.5.nix b/pkgs/development/compilers/sbcl/1.2.5.nix
index 68ed58b426f6..4f854652ffeb 100644
--- a/pkgs/development/compilers/sbcl/1.2.5.nix
+++ b/pkgs/development/compilers/sbcl/1.2.5.nix
@@ -78,7 +78,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.sbcl.org;
     license = stdenv.lib.licenses.bsd3;
     maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
     inherit version;
   };
 }
diff --git a/pkgs/development/libraries/commoncpp2/default.nix b/pkgs/development/libraries/commoncpp2/default.nix
index a4347e77632e..f578cd2f87d5 100644
--- a/pkgs/development/libraries/commoncpp2/default.nix
+++ b/pkgs/development/libraries/commoncpp2/default.nix
@@ -33,6 +33,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.gnu.org/software/commoncpp/;
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [ stdenv.lib.maintainers.marcweber ];
-    platforms = with stdenv.lib.platforms; allBut freebsd;
+    platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/development/libraries/gstreamer/bad/default.nix b/pkgs/development/libraries/gstreamer/bad/default.nix
index de421df127f7..a91acdbb0086 100644
--- a/pkgs/development/libraries/gstreamer/bad/default.nix
+++ b/pkgs/development/libraries/gstreamer/bad/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
       a real live maintainer, or some actual wide use.
     '';
     license     = licenses.lgpl2Plus;
-    platforms   = platforms.unix;
+    platforms   = platforms.linux;
   };
 
   src = fetchurl {
diff --git a/pkgs/development/libraries/gstreamer/good/default.nix b/pkgs/development/libraries/gstreamer/good/default.nix
index cf96eacd3181..a44bdbcd08c4 100644
--- a/pkgs/development/libraries/gstreamer/good/default.nix
+++ b/pkgs/development/libraries/gstreamer/good/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       code, LGPL or LGPL-compatible for the supporting library).
     '';
     license     = licenses.lgpl2Plus;
-    platforms   = platforms.unix;
+    platforms   = platforms.linux;
   };
 
   src = fetchurl {
diff --git a/pkgs/development/libraries/lensfun/default.nix b/pkgs/development/libraries/lensfun/default.nix
index ebb90f796638..b3deabbde2db 100644
--- a/pkgs/development/libraries/lensfun/default.nix
+++ b/pkgs/development/libraries/lensfun/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   configureFlags = "-v";
 
   meta = with stdenv.lib; {
-    platforms = platforms.all;
+    platforms = platforms.linux;
     maintainers = [ maintainers.urkud ];
     license = stdenv.lib.licenses.lgpl3;
     description = "An opensource database of photographic lenses and their characteristics";
diff --git a/pkgs/development/libraries/libdiscid/default.nix b/pkgs/development/libraries/libdiscid/default.nix
index 09427e2788ac..d0122d0283c5 100644
--- a/pkgs/development/libraries/libdiscid/default.nix
+++ b/pkgs/development/libraries/libdiscid/default.nix
@@ -16,6 +16,6 @@ stdenv.mkDerivation rec {
     homepage = http://musicbrainz.org/doc/libdiscid;
     maintainers = with maintainers; [ ehmry ];
     license = licenses.lgpl21;
-    platforms = platforms.all;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/libmtp/default.nix b/pkgs/development/libraries/libmtp/default.nix
index 361966379c0b..e1902263ac20 100644
--- a/pkgs/development/libraries/libmtp/default.nix
+++ b/pkgs/development/libraries/libmtp/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
       in the form of a library suitable primarily for POSIX compliant operating
       systems. We implement MTP Basic, the stuff proposed for standardization.
       '';
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.urkud ];
   };
 }
diff --git a/pkgs/development/libraries/libmusicbrainz/2.x.nix b/pkgs/development/libraries/libmusicbrainz/2.x.nix
index bff49dcf76f2..4cad0c0f9f64 100644
--- a/pkgs/development/libraries/libmusicbrainz/2.x.nix
+++ b/pkgs/development/libraries/libmusicbrainz/2.x.nix
@@ -22,6 +22,6 @@ stdenv.mkDerivation rec {
       Library) is a development library geared towards developers who wish to
       add MusicBrainz lookup capabilities to their applications.'';
     maintainers = [ stdenv.lib.maintainers.urkud ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/libofx/default.nix b/pkgs/development/libraries/libofx/default.nix
index c17045d5e4be..396e8e92acfd 100644
--- a/pkgs/development/libraries/libofx/default.nix
+++ b/pkgs/development/libraries/libofx/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     description = "Opensource implementation of the Open Financial eXchange specification";
     homepage = http://libofx.sourceforge.net/;
     license = "LGPL";
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.urkud ];
   };
 }
diff --git a/pkgs/development/libraries/libraw/default.nix b/pkgs/development/libraries/libraw/default.nix
index 0b196cc22e01..d3127437de61 100644
--- a/pkgs/development/libraries/libraw/default.nix
+++ b/pkgs/development/libraries/libraw/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     description = "Library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others)";
     homepage = http://www.libraw.org/;
     license = stdenv.lib.licenses.gpl2Plus;
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
 
diff --git a/pkgs/development/libraries/mp4v2/default.nix b/pkgs/development/libraries/mp4v2/default.nix
index ab3c3ed8c5a7..642f93872eba 100644
--- a/pkgs/development/libraries/mp4v2/default.nix
+++ b/pkgs/development/libraries/mp4v2/default.nix
@@ -22,6 +22,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://code.google.com/p/mp4v2;
     maintainers = [ stdenv.lib.maintainers.urkud ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/ucommon/default.nix b/pkgs/development/libraries/ucommon/default.nix
index 4d1409324020..64afde3c53bd 100644
--- a/pkgs/development/libraries/ucommon/default.nix
+++ b/pkgs/development/libraries/ucommon/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.lgpl3Plus;
 
     maintainers = with stdenv.lib.maintainers; [ viric ];
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/wxGTK-2.9/default.nix b/pkgs/development/libraries/wxGTK-2.9/default.nix
index 47760cdb2884..d9f0dcc1b0f4 100644
--- a/pkgs/development/libraries/wxGTK-2.9/default.nix
+++ b/pkgs/development/libraries/wxGTK-2.9/default.nix
@@ -57,6 +57,6 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
   
   meta = {
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/wxGTK-3.0/default.nix b/pkgs/development/libraries/wxGTK-3.0/default.nix
index 93f771e8c8ff..bdb0032a85ae 100644
--- a/pkgs/development/libraries/wxGTK-3.0/default.nix
+++ b/pkgs/development/libraries/wxGTK-3.0/default.nix
@@ -57,6 +57,6 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
   
   meta = {
-    platforms = stdenv.lib.platforms.all;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/development/libraries/xlslib/default.nix b/pkgs/development/libraries/xlslib/default.nix
index e68415951c76..3a45447119ca 100644
--- a/pkgs/development/libraries/xlslib/default.nix
+++ b/pkgs/development/libraries/xlslib/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     description = "C++/C library to construct Excel .xls files in code";
     homepage = http://sourceforge.net/projects/xlslib/;
     license = licenses.bsd2;
-    platforms = platforms.unix;
+    platforms = platforms.linux;
     maintainers = with maintainers; [ abbradar ];
   };
 }
diff --git a/pkgs/development/tools/build-managers/cmake/2.8.nix b/pkgs/development/tools/build-managers/cmake/2.8.nix
index 3191d8293ef2..919c80e7ce58 100644
--- a/pkgs/development/tools/build-managers/cmake/2.8.nix
+++ b/pkgs/development/tools/build-managers/cmake/2.8.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://www.cmake.org/;
     description = "Cross-Platform Makefile Generator";
-    platforms = if useQt4 then qt4.meta.platforms else stdenv.lib.platforms.all;
+    platforms = if useQt4 then qt4.meta.platforms else stdenv.lib.platforms.linux;
     maintainers = with stdenv.lib.maintainers; [ urkud mornfall ];
   };
 }
diff --git a/pkgs/os-specific/linux/iomelt/default.nix b/pkgs/os-specific/linux/iomelt/default.nix
index fccf7b6b1cd1..f57cfd713fb5 100644
--- a/pkgs/os-specific/linux/iomelt/default.nix
+++ b/pkgs/os-specific/linux/iomelt/default.nix
@@ -20,6 +20,6 @@ in stdenv.mkDerivation {
     description = "A simple yet effective way to benchmark disk IO in Linux systems";
     homepage    = http://www.iomelt.com;
     maintainers = with maintainers; [ cstrahan ];
-    platforms   = platforms.linux ++ platforms.darwin;
+    platforms   = platforms.linux;
   };
 }
diff --git a/pkgs/servers/http/mini-httpd/default.nix b/pkgs/servers/http/mini-httpd/default.nix
index 20cea2708895..d5af6e432924 100644
--- a/pkgs/servers/http/mini-httpd/default.nix
+++ b/pkgs/servers/http/mini-httpd/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     homepage = "http://mini-httpd.nongnu.org/";
     description = "A minimalistic high-performance web server";
     license = stdenv.lib.licenses.gpl3;
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.peti ];
   };
 }
diff --git a/pkgs/servers/monitoring/net-snmp/default.nix b/pkgs/servers/monitoring/net-snmp/default.nix
index c7eec4b91b32..4dd7fb24c916 100644
--- a/pkgs/servers/monitoring/net-snmp/default.nix
+++ b/pkgs/servers/monitoring/net-snmp/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     description = "Clients and server for the SNMP network monitoring protocol";
     homepage = http://net-snmp.sourceforge.net/;
     license = licenses.bsd3;
-    platforms = platforms.unix;
+    platforms = platforms.linux;
     maintainers = with maintainers; [ wkennington ];
   };
 }
diff --git a/pkgs/servers/monitoring/zabbix/2.0.nix b/pkgs/servers/monitoring/zabbix/2.0.nix
index 702022280323..b8253cf0ad4f 100644
--- a/pkgs/servers/monitoring/zabbix/2.0.nix
+++ b/pkgs/servers/monitoring/zabbix/2.0.nix
@@ -84,7 +84,7 @@ in
       homepage = http://www.zabbix.com/;
       license = licenses.gpl2;
       maintainers = [ maintainers.eelco ];
-      platforms = platforms.linux ++ platforms.darwin;
+      platforms = platforms.linux;
     };
   };
 
diff --git a/pkgs/servers/monitoring/zabbix/2.2.nix b/pkgs/servers/monitoring/zabbix/2.2.nix
index 81eb675bb330..10375b9b1c1d 100644
--- a/pkgs/servers/monitoring/zabbix/2.2.nix
+++ b/pkgs/servers/monitoring/zabbix/2.2.nix
@@ -96,7 +96,7 @@ in
       homepage = http://www.zabbix.com/;
       license = licenses.gpl2;
       maintainers = [ maintainers.eelco ];
-      platforms = platforms.linux ++ platforms.darwin;
+      platforms = platforms.linux;
     };
   };
 
diff --git a/pkgs/servers/monitoring/zabbix/default.nix b/pkgs/servers/monitoring/zabbix/default.nix
index 4ea40128cd68..cc54aa3b37aa 100644
--- a/pkgs/servers/monitoring/zabbix/default.nix
+++ b/pkgs/servers/monitoring/zabbix/default.nix
@@ -62,7 +62,7 @@ in
       homepage = http://www.zabbix.com/;
       license = licenses.gpl2;
       maintainers = [ maintainers.eelco ];
-      platforms = platforms.linux ++ platforms.darwin;
+      platforms = platforms.linux;
     };
   };
 
diff --git a/pkgs/servers/shishi/default.nix b/pkgs/servers/shishi/default.nix
index 85dfa805fc14..3e340ba7df4b 100644
--- a/pkgs/servers/shishi/default.nix
+++ b/pkgs/servers/shishi/default.nix
@@ -75,6 +75,6 @@ stdenv.mkDerivation rec {
     description = "An implementation of the Kerberos 5 network security system";
     license     = licenses.gpl3Plus;
     maintainers = with maintainers; [ bjg lovek323 wkennington ];
-    platforms   = platforms.all;
+    platforms   = platforms.linux;
   };
 }
diff --git a/pkgs/servers/softether/4.18.nix b/pkgs/servers/softether/4.18.nix
index 4b5b67cf85b2..69c6cbe2c864 100644
--- a/pkgs/servers/softether/4.18.nix
+++ b/pkgs/servers/softether/4.18.nix
@@ -48,6 +48,6 @@ stdenv.mkDerivation rec {
     homepage = https://www.softether.org/;
     license = licenses.gpl2;
     maintainers = [ maintainers.rick68 ];
-    platforms = platforms.all;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/servers/sql/virtuoso/6.x.nix b/pkgs/servers/sql/virtuoso/6.x.nix
index aba8efa0798b..715720b335f2 100644
--- a/pkgs/servers/sql/virtuoso/6.x.nix
+++ b/pkgs/servers/sql/virtuoso/6.x.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "SQL/RDF database used by, e.g., KDE-nepomuk";
     homepage = http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/;
-    platforms = platforms.all;
+    platforms = platforms.linux;
     maintainers = [ maintainers.urkud ];
   };
 }
diff --git a/pkgs/servers/sql/virtuoso/7.x.nix b/pkgs/servers/sql/virtuoso/7.x.nix
index 7a8db3f2962c..2087829084f5 100644
--- a/pkgs/servers/sql/virtuoso/7.x.nix
+++ b/pkgs/servers/sql/virtuoso/7.x.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     description = "SQL/RDF database used by, e.g., KDE-nepomuk";
     homepage = http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/;
     #configure: The current version [...] can only be built on 64bit platforms
-    platforms = [ "x86_64-linux" "x86_64-darwin" ];
+    platforms = [ "x86_64-linux" ];
     maintainers = [ maintainers.urkud ];
   };
 }
diff --git a/pkgs/tools/misc/man-db/default.nix b/pkgs/tools/misc/man-db/default.nix
index 825921327e16..21ce52894861 100644
--- a/pkgs/tools/misc/man-db/default.nix
+++ b/pkgs/tools/misc/man-db/default.nix
@@ -36,6 +36,6 @@ stdenv.mkDerivation rec {
     homepage = "http://man-db.nongnu.org";
     description = "An implementation of the standard Unix documentation system accessed using the man command";
     license = licenses.gpl2;
-    platforms = platforms.unix;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/tools/misc/ttfautohint/default.nix b/pkgs/tools/misc/ttfautohint/default.nix
index cb073dee1fc1..e539c0e1e025 100644
--- a/pkgs/tools/misc/ttfautohint/default.nix
+++ b/pkgs/tools/misc/ttfautohint/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.freetype.org/ttfautohint/;
     license = licenses.gpl2Plus; # or the FreeType License (BSD + advertising clause)
     maintainers = [ maintainers.goibhniu ];
-    platforms = platforms.all;
+    platforms = platforms.linux;
   };
 
 }
diff --git a/pkgs/tools/networking/inadyn/default.nix b/pkgs/tools/networking/inadyn/default.nix
index b63abf1ae332..1963454f142c 100644
--- a/pkgs/tools/networking/inadyn/default.nix
+++ b/pkgs/tools/networking/inadyn/default.nix
@@ -24,6 +24,6 @@ stdenv.mkDerivation {
     description = "Free dynamic DNS client";
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = with stdenv.lib.maintainers; [viric];
-    platforms = with stdenv.lib.platforms; all;
+    platforms = with stdenv.lib.platforms; linux;
   };
 }
diff --git a/pkgs/tools/networking/mpack/default.nix b/pkgs/tools/networking/mpack/default.nix
index 41266e65aa09..8c8b40bbd2e0 100644
--- a/pkgs/tools/networking/mpack/default.nix
+++ b/pkgs/tools/networking/mpack/default.nix
@@ -14,6 +14,6 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "Utilities for encoding and decoding binary files in MIME";
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/networking/nbd/default.nix b/pkgs/tools/networking/nbd/default.nix
index 23d4117f8b84..b8f886566715 100644
--- a/pkgs/tools/networking/nbd/default.nix
+++ b/pkgs/tools/networking/nbd/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
     description = "Map arbitrary files as block devices over the network";
     license = stdenv.lib.licenses.gpl2;
     maintainers = [ stdenv.lib.maintainers.peti ];
-    platforms = stdenv.lib.platforms.unix;
+    platforms = stdenv.lib.platforms.linux;
   };
 }
diff --git a/pkgs/tools/networking/p2p/libtorrent/default.nix b/pkgs/tools/networking/p2p/libtorrent/default.nix
index ec38ec8d487c..3ff028342472 100644
--- a/pkgs/tools/networking/p2p/libtorrent/default.nix
+++ b/pkgs/tools/networking/p2p/libtorrent/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.libtorrent.org/;
     description = "A BitTorrent library written in C++ for *nix, with focus on high performance and good code";
 
-    platforms = platforms.unix;
+    platforms = platforms.linux;
     maintainers = with maintainers; [ ebzzry codyopel ];
   };
 }
diff --git a/pkgs/tools/security/vidalia/default.nix b/pkgs/tools/security/vidalia/default.nix
index a4aec5369fc5..fc1d98806f08 100644
--- a/pkgs/tools/security/vidalia/default.nix
+++ b/pkgs/tools/security/vidalia/default.nix
@@ -19,6 +19,6 @@ stdenv.mkDerivation rec {
     description = "A cross-platform graphical controller for the Tor software, built using the Qt framework";
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.phreedom ];
-    platforms = platforms.all;
+    platforms = platforms.linux;
   };
 }