diff --git a/pkgs/development/compilers/vala/default.nix b/pkgs/development/compilers/vala/default.nix
index 57c22f08550..40af4c312cf 100644
--- a/pkgs/development/compilers/vala/default.nix
+++ b/pkgs/development/compilers/vala/default.nix
@@ -29,12 +29,6 @@ let
 
 in rec {
 
-  vala_0_23 = generic {
-    major   = "0.23";
-    minor   = "2";
-    sha256  = "0g22ss9qbm3fqhx4fxhsyfmdc5g1hgdw4dz9d37f4489kl0qf8pl";
-  };
-
   vala_0_26 = generic {
     major   = "0.26";
     minor   = "2";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 4ad7f5ed472..e62951223b0 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6450,7 +6450,6 @@ with pkgs;
   urweb = callPackage ../development/compilers/urweb { };
 
   inherit (callPackage ../development/compilers/vala { })
-    vala_0_23
     vala_0_26
     vala_0_28
     vala_0_32