diff --git a/pkgs/tools/archivers/unzip/5.52.nix b/pkgs/tools/archivers/unzip/5.52.nix
deleted file mode 100644
index c72def3731a..00000000000
--- a/pkgs/tools/archivers/unzip/5.52.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{stdenv, fetchurl}:
-
-stdenv.mkDerivation {
-  name = "unzip-5.52";
-  
-  src = fetchurl {
-    url = http://nixos.org/tarballs/unzip552.tar.gz;
-    md5 = "9d23919999d6eac9217d1f41472034a9";
-  };
-
-  buildPhase = "make -f unix/Makefile generic";
-
-  installPhase = "make -f unix/Makefile prefix=$out install";
-
-  meta = {
-    homepage = http://www.info-zip.org;
-  };
-}
diff --git a/pkgs/tools/archivers/unzip/6.0.nix b/pkgs/tools/archivers/unzip/default.nix
similarity index 100%
rename from pkgs/tools/archivers/unzip/6.0.nix
rename to pkgs/tools/archivers/unzip/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dd88d0e3813..917926aa365 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1346,12 +1346,7 @@ let
 
   unshield = callPackage ../tools/archivers/unshield { };
 
-  unzip = unzip552;
-
-  # TODO: remove in the next stdenv update.
-  unzip552 = callPackage ../tools/archivers/unzip/5.52.nix { };
-
-  unzip60 = callPackage ../tools/archivers/unzip/6.0.nix { };
+  unzip = callPackage ../tools/archivers/unzip { };
 
   uptimed = callPackage ../tools/system/uptimed { };