diff --git a/pkgs/os-specific/linux/alsa-oss/default.nix b/pkgs/os-specific/linux/alsa-oss/default.nix
index a13e178e418..0883cc9bc41 100644
--- a/pkgs/os-specific/linux/alsa-oss/default.nix
+++ b/pkgs/os-specific/linux/alsa-oss/default.nix
@@ -15,11 +15,7 @@ stdenv.mkDerivation rec {
 
   installFlags = "ASOUND_STATE_DIR=$(TMPDIR)/dummy";
 
-  preConfigure =
-    ''
-    '';
-
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.alsa-project.org/;
     description = "ALSA, the Advanced Linux Sound Architecture alsa-oss emulation";
 
@@ -28,6 +24,7 @@ stdenv.mkDerivation rec {
       MIDI functionality to the Linux-based operating system.
     '';
 
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.gpl2;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/os-specific/linux/alsa-tools/default.nix b/pkgs/os-specific/linux/alsa-tools/default.nix
index 1ce94d14803..8faba250fb3 100644
--- a/pkgs/os-specific/linux/alsa-tools/default.nix
+++ b/pkgs/os-specific/linux/alsa-tools/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.alsa-project.org/;
     description = "ALSA, the Advanced Linux Sound Architecture tools";
 
@@ -47,7 +47,8 @@ stdenv.mkDerivation rec {
       MIDI functionality to the Linux-based operating system.
     '';
 
-    platforms = stdenv.lib.platforms.linux;
-    maintainers = [ stdenv.lib.maintainers.fps ];
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.fps ];
   };
 }
diff --git a/pkgs/os-specific/linux/alsa-utils/default.nix b/pkgs/os-specific/linux/alsa-utils/default.nix
index 376c42a8f9b..1b797166141 100644
--- a/pkgs/os-specific/linux/alsa-utils/default.nix
+++ b/pkgs/os-specific/linux/alsa-utils/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   installFlags = "ASOUND_STATE_DIR=$(TMPDIR)/dummy";
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = http://www.alsa-project.org/;
     description = "ALSA, the Advanced Linux Sound Architecture utils";
     longDescription = ''
@@ -29,7 +29,8 @@ stdenv.mkDerivation rec {
       MIDI functionality to the Linux-based operating system.
     '';
 
-    platforms = stdenv.lib.platforms.linux;
-    maintainers = [ stdenv.lib.maintainers.AndersonTorres ];
+    license = licenses.gpl2;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.AndersonTorres ];
   };
 }
diff --git a/pkgs/tools/networking/altermime/default.nix b/pkgs/tools/networking/altermime/default.nix
index f1e85487d8f..fee133b1d73 100644
--- a/pkgs/tools/networking/altermime/default.nix
+++ b/pkgs/tools/networking/altermime/default.nix
@@ -21,12 +21,11 @@ stdenv.mkDerivation rec {
     mkdir -p "$out/bin"
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "MIME alteration tool";
-    maintainers = with stdenv.lib.maintainers; [
-      raskin
-    ];
-    platforms = with stdenv.lib.platforms; linux;
+    maintainers = [ maintainers.raskin ];
+    platforms = platforms.linux;
+    license.fullName = "alterMIME LICENSE";
     downloadPage = "http://www.pldaniels.com/altermime/";
   };
 }