1 files changed, 0 insertions, 12 deletions
diff --git a/pkgs/development/tools/parsing/flex/flex-2.5.4a.nix b/pkgs/development/tools/parsing/flex/flex-2.5.4a.nix
deleted file mode 100644
index 13bb6834979..00000000000
--- a/pkgs/development/tools/parsing/flex/flex-2.5.4a.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{stdenv, fetchurl, yacc}:
-
-assert yacc != null;
-
-stdenv.mkDerivation {
-  name = "flex-2.5.4a";
-  src = fetchurl {
-    url = mirror://sourceforge/flex/flex-2.5.4a.tar.gz;
-    md5 = "bd8753d0b22e1f4ec87a553a73021adf";
-  };
-  buildInputs = [yacc];
-}