diff --git a/pkgs/development/libraries/Xaw3d/default.nix b/pkgs/development/libraries/Xaw3d/default.nix
index 8b3a405f3e1a..f4af1ec13a84 100644
--- a/pkgs/development/libraries/Xaw3d/default.nix
+++ b/pkgs/development/libraries/Xaw3d/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, x11, imake, makedepend, libXmu, libXpm, libXp, bison, flex}:
+{stdenv, fetchurl, x11, imake, gccmakedep, libXmu, libXpm, libXp, bison, flex}:
 
 stdenv.mkDerivation {
   name = "Xaw3d-1.5E";
@@ -8,6 +8,6 @@ stdenv.mkDerivation {
     md5 = "29ecfdcd6bcf47f62ecfd672d31269a1";
   };
   patches = [./config.patch];
-  buildInputs = [x11 imake makedepend libXmu libXpm libXp bison flex];
+  buildInputs = [x11 imake gccmakedep libXmu libXpm libXp bison flex];
   propagatedBuildInputs = [x11 libXmu];
 }
diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index b66d7ade659b..56f662447593 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -1137,8 +1137,7 @@ rec {
   Xaw3d = import ../development/libraries/Xaw3d {
     inherit fetchurl stdenv x11 bison;
     flex = flexnew;
-    # !!! makedepend is impure
-    inherit (xlibs) imake makedepend libXmu libXpm libXp;
+    inherit (xlibs) imake gccmakedep libXmu libXpm libXp;
   };
 
   libdrm = import ../development/libraries/libdrm {