diff --git a/pkgs/development/tools/rust/cargo-pgrx/default.nix b/pkgs/development/tools/rust/cargo-pgrx/default.nix
index 1c52fd23bfd3..4dddf7ee747c 100644
--- a/pkgs/development/tools/rust/cargo-pgrx/default.nix
+++ b/pkgs/development/tools/rust/cargo-pgrx/default.nix
@@ -64,12 +64,6 @@ in
     cargoHash = "sha256-zYjqE7LZLnTaVxWAPWC1ncEjCMlrhy4THtgecB7wBYY=";
   };
 
-  cargo-pgrx_0_12_5 = generic {
-    version = "0.12.5";
-    hash = "sha256-U2kF+qjQwMTaocv5f4p5y3qmPUsTzdvAp8mz9cn/COw=";
-    cargoHash = "sha256-CycwWvxYrHj7lmTiiNC1WdbFgrdlGr/M3qTN/N+7xQA=";
-  };
-
   cargo-pgrx_0_12_6 = generic {
     version = "0.12.6";
     hash = "sha256-7aQkrApALZe6EoQGVShGBj0UIATnfOy2DytFj9IWdEA=";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ebc665d9bddc..7ac222bbff53 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5981,7 +5981,6 @@ with pkgs;
 
   inherit (callPackages ../development/tools/rust/cargo-pgrx { })
     cargo-pgrx_0_12_0_alpha_1
-    cargo-pgrx_0_12_5
     cargo-pgrx_0_12_6
     cargo-pgrx_0_14_1
     cargo-pgrx