diff --git a/pkgs/applications/video/zapping/default.nix b/pkgs/applications/video/zapping/default.nix
index 1a643f5da03d..444cd974f8f4 100644
--- a/pkgs/applications/video/zapping/default.nix
+++ b/pkgs/applications/video/zapping/default.nix
@@ -3,15 +3,11 @@
 , pngSupport ? true
 , recordingSupport ? true
 # !!! libXext shouldn't be necessary (it's in x11); but the builder needs it.
-, stdenv, fetchurl, pkgconfig, perl, python, x11, libXv, libXmu, libXext, libgnomeui
+, stdenv, fetchurl, pkgconfig, perl, python, x11
+, libXv, libXmu, libXext, libgnomeui
 , libglade, scrollkeeper, esound, gettext, perlXMLParser
 , zvbi ? null, libjpeg ? null, libpng ? null, rte ? null }:
 
-assert pkgconfig != null && perl != null && python != null
-  && x11 != null && libXv != null && libXmu != null && libgnomeui != null && libglade != null
-  && scrollkeeper != null && esound != null && gettext != null
-  && perlXMLParser != null;
-
 assert teletextSupport -> zvbi != null && zvbi.pngSupport
   /* !!! && pngSupport && zvbi.libpng == libpng */;
 
@@ -21,12 +17,12 @@ assert pngSupport -> libpng != null;
 assert recordingSupport -> rte != null;
 
 stdenv.mkDerivation {
-  name = "zapping-0.7";
+  name = "zapping-0.9.6";
 
   builder = ./builder.sh;
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/zapping-0.7.tar.bz2;
-    md5 = "dd7b3d920509709692c41c9c6c767746";
+    url = http://heanet.dl.sourceforge.net/sourceforge/zapping/zapping-0.9.6.tar.bz2;
+    md5 = "8306775c6a11de4d72345b5eee970ea6";
   };
 
   inherit teletextSupport jpegSupport pngSupport libXext;
diff --git a/pkgs/development/libraries/rte/builder.sh b/pkgs/development/libraries/rte/builder.sh
deleted file mode 100644
index 98803b79a1ce..000000000000
--- a/pkgs/development/libraries/rte/builder.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-. $stdenv/setup
-
-configureScript=configure
-configure() {
-    # !!! hack: configure returns non-zero even on success.
-    ./configure $configureFlags || true
-}
-
-genericBuild
\ No newline at end of file
diff --git a/pkgs/development/libraries/rte/default.nix b/pkgs/development/libraries/rte/default.nix
index c38bfd6fc99a..94067f71fd0f 100644
--- a/pkgs/development/libraries/rte/default.nix
+++ b/pkgs/development/libraries/rte/default.nix
@@ -1,10 +1,9 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation {
-  name = "rte-0.5.2";
-  builder = ./builder.sh;
+  name = "rte-0.5.6";
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/rte-0.5.2.tar.bz2;
-    md5 = "152d5d81169f0c9a543078543e354ebe";
+    url = http://heanet.dl.sourceforge.net/sourceforge/zapping/rte-0.5.6.tar.bz2;
+    md5 = "6259cdff255af71c23a4576e7c5664a0";
   };
 }
diff --git a/pkgs/development/libraries/zvbi/default.nix b/pkgs/development/libraries/zvbi/default.nix
index f53d5a661c93..3a235fdc97fa 100644
--- a/pkgs/development/libraries/zvbi/default.nix
+++ b/pkgs/development/libraries/zvbi/default.nix
@@ -5,10 +5,10 @@ assert x11 != null;
 assert pngSupport -> libpng != null;
 
 stdenv.mkDerivation {
-  name = "zvbi-0.2.8";
+  name = "zvbi-0.2.16";
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/zvbi-0.2.8.tar.bz2;
-    md5 = "8701d3e4387cd896ff8b68831b57d814";
+    url = http://heanet.dl.sourceforge.net/sourceforge/zapping/zvbi-0.2.16.tar.bz2;
+    md5 = "6ed822ae5d0766129bfa1508394b6ac0";
   };
   buildInputs = [x11 (if pngSupport then libpng else null)];
   inherit pngSupport;