diff --git a/pkgs/development/libraries/x265/default.nix b/pkgs/development/libraries/x265/default.nix
index 0a287363e67..c485cb6a05a 100644
--- a/pkgs/development/libraries/x265/default.nix
+++ b/pkgs/development/libraries/x265/default.nix
@@ -49,6 +49,10 @@ stdenv.mkDerivation rec {
     cd source
   '';
 
+  postInstall = ''
+    rm $out/lib/*.a
+  '';
+
   nativeBuildInputs = [ cmake yasm ];
 
   meta = with stdenv.lib; {