diff --git a/pkgs/applications/audio/linuxsampler/default.nix b/pkgs/applications/audio/linuxsampler/default.nix
index d9413c03154..1408a1775ee 100644
--- a/pkgs/applications/audio/linuxsampler/default.nix
+++ b/pkgs/applications/audio/linuxsampler/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       have questions on the subject, that are not yet covered by the
       FAQ, please contact us.
     ''; 
-    license = licenses.proprietary;
+    license = licenses.unfree;
     maintainers = [ maintainers.goibhniu ];
     platforms = platforms.linux;
   };
diff --git a/pkgs/applications/networking/instant-messengers/hipchat/default.nix b/pkgs/applications/networking/instant-messengers/hipchat/default.nix
index b202a0f09db..e5179850237 100644
--- a/pkgs/applications/networking/instant-messengers/hipchat/default.nix
+++ b/pkgs/applications/networking/instant-messengers/hipchat/default.nix
@@ -57,7 +57,7 @@ in stdenv.mkDerivation {
   meta = {
     description = "HipChat Desktop Client";
     homepage = http://www.hipchat.com;
-    license = stdenv.lib.licenses.proprietary;
+    license = stdenv.lib.licenses.unfree;
     platforms = [ "i686-linux" "x86_64-linux" ];
   };
 }
diff --git a/pkgs/development/libraries/libspotify/default.nix b/pkgs/development/libraries/libspotify/default.nix
index 9c28a99fee8..1972a4be653 100644
--- a/pkgs/development/libraries/libspotify/default.nix
+++ b/pkgs/development/libraries/libspotify/default.nix
@@ -56,6 +56,6 @@ if stdenv.system != "x86_64-linux" then throw ''
 
     maintainers = [ stdenv.lib.maintainers.shlevy ];
 
-    license = stdenv.lib.licenses.proprietary;
+    license = stdenv.lib.licenses.unfree;
   };
 }
diff --git a/pkgs/development/tools/neoload/default.nix b/pkgs/development/tools/neoload/default.nix
index d7a203ad3f4..25f66e9cd7e 100644
--- a/pkgs/development/tools/neoload/default.nix
+++ b/pkgs/development/tools/neoload/default.nix
@@ -80,12 +80,12 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "load testing software for Web applications to realistically simulate user activity and analyze server behavior.";
+    description = "load testing software for Web applications to realistically simulate user activity and analyze server behavior";
 
     homepage = https://www.neotys.com/product/overview-neoload.html;
 
     # https://www.neotys.com/documents/legal/eula/neoload/eula_en.html
-    license = stdenv.lib.licenses.proprietary;
+    license = stdenv.lib.licenses.unfree;
 
     maintainers = [ stdenv.lib.maintainers.bluescreen303 ];
     platforms = [ "i686-linux" "x86_64-linux" ];
diff --git a/pkgs/games/oilrush/default.nix b/pkgs/games/oilrush/default.nix
index 339c3bbd1a8..b96fd7c3e9f 100644
--- a/pkgs/games/oilrush/default.nix
+++ b/pkgs/games/oilrush/default.nix
@@ -67,7 +67,7 @@ stdenv.mkDerivation {
       of Tower Defense. 
     '';
     homepage = http://oilrush-game.com/;
-    license = [ "proprietary" ];
+    license = "unfree";
     #maintainers = with stdenv.lib.maintainers; [ astsmtl ];
     #platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/lib/licenses.nix b/pkgs/lib/licenses.nix
index 634a20e720a..583cece3222 100644
--- a/pkgs/lib/licenses.nix
+++ b/pkgs/lib/licenses.nix
@@ -177,11 +177,6 @@
     url = http://docs.python.org/license.html;
   };
 
-  proprietary = {
-    shortName = "Proprietary";
-    fullName = "Proprietary (non redistributable) license";
-  };
-
   tcltk = {
     shortName = "Tcl/Tk";
     fullName = "Tcl/Tk license";
diff --git a/pkgs/os-specific/linux/firmware/b43-firmware/5.1.138.nix b/pkgs/os-specific/linux/firmware/b43-firmware/5.1.138.nix
index 1c4173c72fd..f941d9275c0 100644
--- a/pkgs/os-specific/linux/firmware/b43-firmware/5.1.138.nix
+++ b/pkgs/os-specific/linux/firmware/b43-firmware/5.1.138.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Firmware for cards supported by the b43 kernel module";
     homepage = http://wireless.kernel.org/en/users/Drivers/b43;
-    license = stdenv.lib.licenses.proprietary;
+    license = stdenv.lib.licenses.unfree;
     maintainers = [ stdenv.lib.maintainers.shlevy ];
   };
 }
diff --git a/pkgs/servers/sql/oracle-xe/default.nix b/pkgs/servers/sql/oracle-xe/default.nix
index 940e57ab8fb..57ff50175bb 100644
--- a/pkgs/servers/sql/oracle-xe/default.nix
+++ b/pkgs/servers/sql/oracle-xe/default.nix
@@ -78,6 +78,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "Oracle Database Express Edition";
     homepage = "http://www.oracle.com/technetwork/products/express-edition/";
-    license = licenses.proprietary;
+    license = licenses.unfree;
   };
 }
diff --git a/pkgs/stdenv/generic/default.nix b/pkgs/stdenv/generic/default.nix
index fe4bbbc94dd..dc8d92715de 100644
--- a/pkgs/stdenv/generic/default.nix
+++ b/pkgs/stdenv/generic/default.nix
@@ -49,7 +49,7 @@ let
         # Add a utility function to produce derivations that use this
         # stdenv and its shell.
         mkDerivation = attrs:
-          if !allowUnfree && (let l = attrs.meta.license or ""; in l == "unfree" || l == "unfree-redistributable" || l == lib.licenses.proprietary) then
+          if !allowUnfree && (let l = attrs.meta.license or ""; in l == "unfree" || l == "unfree-redistributable") then
             throw "package ‘${attrs.name}’ has an unfree license, refusing to evaluate"
           else
             lib.addPassthru (derivation (
diff --git a/pkgs/tools/security/fprot/default.nix b/pkgs/tools/security/fprot/default.nix
index 95f7140b918..2a8531a1795 100644
--- a/pkgs/tools/security/fprot/default.nix
+++ b/pkgs/tools/security/fprot/default.nix
@@ -1,4 +1,5 @@
 { stdenv, fetchurl }:
+
 stdenv.mkDerivation rec {
 
   name = "f-prot-${version}";
@@ -33,8 +34,8 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = http://www.f-prot.com;
-    description = "a popular proprietary antivirus, Linux workstation edition.";
-    license = licenses.proprietary;
+    description = "A popular proprietary antivirus program";
+    license = licenses.unfree;
     maintainers = [ maintainers.phreedom ];
     platforms = platforms.linux;
   };