diff --git a/pkgs/development/tools/rust/cargo-pgrx/default.nix b/pkgs/development/tools/rust/cargo-pgrx/default.nix
index b5a741cbf420..019255e59355 100644
--- a/pkgs/development/tools/rust/cargo-pgrx/default.nix
+++ b/pkgs/development/tools/rust/cargo-pgrx/default.nix
@@ -54,12 +54,6 @@ let
     };
 in
 {
-  cargo-pgrx_0_11_3 = generic {
-    version = "0.11.3";
-    hash = "sha256-UHIfwOdXoJvR4Svha6ud0FxahP1wPwUtviUwUnTmLXU=";
-    cargoHash = "sha256-j4HnD8Zt9uhlV5N7ldIy9564o9qFEqs5KfXHmnQ1WEw=";
-  };
-
   cargo-pgrx_0_12_0_alpha_1 = generic {
     version = "0.12.0-alpha.1";
     hash = "sha256-0m9oaqjU42RYyttkTihADDrRMjr2WoK/8sInZALeHws=";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 843cf961573f..3691a618fa33 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7003,7 +7003,6 @@ with pkgs;
     inherit (darwin.apple_sdk.frameworks) CoreFoundation CoreServices Security SystemConfiguration;
   };
   inherit (callPackages ../development/tools/rust/cargo-pgrx { })
-    cargo-pgrx_0_11_3
     cargo-pgrx_0_12_0_alpha_1
     cargo-pgrx_0_12_6
     ;