diff --git a/pkgs/development/ocaml-modules/camlimages/4.0.nix b/pkgs/development/ocaml-modules/camlimages/4.0.nix
index 4f47680dcec..0ec3a26d051 100644
--- a/pkgs/development/ocaml-modules/camlimages/4.0.nix
+++ b/pkgs/development/ocaml-modules/camlimages/4.0.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, omake, ocaml, omake_rc1, libtiff, libjpeg, libpng, giflib, findlib, libXpm, freetype, graphicsmagick, ghostscript }:
+{ stdenv, fetchurl, omake, ocaml, libtiff, libjpeg, libpng, giflib, findlib, libXpm, freetype, graphicsmagick, ghostscript }:
 
 let
   pname = "camlimages";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "b40237c1505487049799a7af296eb3996b3fa08eab94415546f46d61355747c4";
   };
 
-  buildInputs = [ocaml omake_rc1 findlib graphicsmagick ghostscript ];
+  buildInputs = [ ocaml omake findlib graphicsmagick ghostscript ];
 
   propagatedBuildInputs = [libtiff libjpeg libpng giflib freetype libXpm ];
 
diff --git a/pkgs/development/ocaml-modules/camlimages/4.1.nix b/pkgs/development/ocaml-modules/camlimages/4.1.nix
index f98d149c482..77a252de52f 100644
--- a/pkgs/development/ocaml-modules/camlimages/4.1.nix
+++ b/pkgs/development/ocaml-modules/camlimages/4.1.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, omake, ocaml, omake_rc1, libtiff, libjpeg, libpng, giflib, findlib, libXpm, freetype, graphicsmagick, ghostscript }:
+{stdenv, fetchurl, omake, ocaml, libtiff, libjpeg, libpng, giflib, findlib, libXpm, freetype, graphicsmagick, ghostscript }:
 
 assert stdenv.lib.versionAtLeast (stdenv.lib.getVersion ocaml) "4.00";
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     sha256 = "1ppddhfknpirj1vilm5dxgyp82kf7ahpvjmh7z75a1fnaqv3kpki";
   };
 
-  buildInputs = [ocaml omake_rc1 findlib graphicsmagick ghostscript ];
+  buildInputs = [ ocaml omake findlib graphicsmagick ghostscript ];
 
   propagatedBuildInputs = [libtiff libjpeg libpng giflib freetype libXpm ];