diff --git a/pkgs/development/libraries/science/math/tensorrt/extension.nix b/pkgs/development/libraries/science/math/tensorrt/extension.nix
deleted file mode 100644
index 19bf7e086d2a9..0000000000000
--- a/pkgs/development/libraries/science/math/tensorrt/extension.nix
+++ /dev/null
@@ -1,223 +0,0 @@
-final: prev:
-let
-
-  inherit (final) callPackage;
-  inherit (prev)
-    cudatoolkit
-    cudaVersion
-    lib
-    pkgs
-    ;
-
-  ### TensorRT
-
-  buildTensorRTPackage = args: callPackage ./generic.nix { } args;
-
-  toUnderscore = str: lib.replaceStrings [ "." ] [ "_" ] str;
-
-  majorMinorPatch = str: lib.concatStringsSep "." (lib.take 3 (lib.splitVersion str));
-
-  tensorRTPackages =
-    let
-      # Check whether a file is supported for our cuda version
-      isSupported = fileData: lib.elem cudaVersion fileData.supportedCudaVersions;
-      # Return the first file that is supported. In practice there should only ever be one anyway.
-      supportedFile = files: lib.findFirst isSupported null files;
-
-      # Compute versioned attribute name to be used in this package set
-      computeName = version: "tensorrt_${toUnderscore version}";
-
-      # Supported versions with versions as keys and file as value
-      supportedVersions =
-        lib.recursiveUpdate
-          {
-            tensorrt = {
-              enable = false;
-              fileVersionCuda = null;
-              fileVersionCudnn = null;
-              fullVersion = "0.0.0";
-              sha256 = null;
-              tarball = null;
-              supportedCudaVersions = [ ];
-            };
-          }
-          (
-            lib.mapAttrs' (version: attrs: lib.nameValuePair (computeName version) attrs) (
-              lib.filterAttrs (version: file: file != null) (
-                lib.mapAttrs (version: files: supportedFile files) tensorRTVersions
-              )
-            )
-          );
-
-      # Add all supported builds as attributes
-      allBuilds = lib.mapAttrs (
-        name: file: buildTensorRTPackage (lib.removeAttrs file [ "fileVersionCuda" ])
-      ) supportedVersions;
-
-      # Set the default attributes, e.g. tensorrt = tensorrt_8_4;
-      defaultName = computeName tensorRTDefaultVersion;
-      defaultBuild = lib.optionalAttrs (allBuilds ? ${defaultName}) {
-        tensorrt = allBuilds.${computeName tensorRTDefaultVersion};
-      };
-    in
-    {
-      inherit buildTensorRTPackage;
-    }
-    // allBuilds
-    // defaultBuild;
-
-  tarballURL =
-    {
-      fullVersion,
-      fileVersionCuda,
-      fileVersionCudnn ? null,
-    }:
-    "TensorRT-${fullVersion}.Linux.x86_64-gnu.cuda-${fileVersionCuda}"
-    + lib.optionalString (fileVersionCudnn != null) ".cudnn${fileVersionCudnn}"
-    + ".tar.gz";
-
-  tensorRTVersions = {
-    "8.6.1" = [
-      rec {
-        fileVersionCuda = "12.0";
-        fullVersion = "8.6.1.6";
-        sha256 = "sha256-D4FXpfxTKZQ7M4uJNZE3M1CvqQyoEjnNrddYDNHrolQ=";
-        tarball = tarballURL { inherit fileVersionCuda fullVersion; };
-        supportedCudaVersions = [
-          "12.0"
-          "12.1"
-        ];
-      }
-    ];
-    "8.5.3" = [
-      rec {
-        fileVersionCuda = "11.8";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.3.1";
-        sha256 = "sha256-BNeuOYvPTUAfGxI0DVsNrX6Z/FAB28+SE0ptuGu7YDY=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [
-          "11.0"
-          "11.1"
-          "11.2"
-          "11.3"
-          "11.4"
-          "11.5"
-          "11.6"
-          "11.7"
-          "11.8"
-        ];
-      }
-      rec {
-        fileVersionCuda = "10.2";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.3.1";
-        sha256 = "sha256-WCt6yfOmFbrjqdYCj6AE2+s2uFpISwk6urP+2I0BnGQ=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [ "10.2" ];
-      }
-    ];
-    "8.5.2" = [
-      rec {
-        fileVersionCuda = "11.8";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.2.2";
-        sha256 = "sha256-Ov5irNS/JETpEz01FIFNMs9YVmjGHL7lSXmDpgCdgao=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [
-          "11.0"
-          "11.1"
-          "11.2"
-          "11.3"
-          "11.4"
-          "11.5"
-          "11.6"
-          "11.7"
-          "11.8"
-        ];
-      }
-      rec {
-        fileVersionCuda = "10.2";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.2.2";
-        sha256 = "sha256-UruwQShYcHLY5d81lKNG7XaoUsZr245c+PUpUN6pC5E=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [ "10.2" ];
-      }
-    ];
-    "8.5.1" = [
-      rec {
-        fileVersionCuda = "11.8";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.1.7";
-        sha256 = "sha256-Ocx/B3BX0TY3lOj/UcTPIaXb7M8RFrACC6Da4PMGMHY=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [
-          "11.0"
-          "11.1"
-          "11.2"
-          "11.3"
-          "11.4"
-          "11.5"
-          "11.6"
-          "11.7"
-          "11.8"
-        ];
-      }
-      rec {
-        fileVersionCuda = "10.2";
-        fileVersionCudnn = "8.6";
-        fullVersion = "8.5.1.7";
-        sha256 = "sha256-CcFGJhw7nFdPnSYYSxcto2MHK3F84nLQlJYjdIw8dPM=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [ "10.2" ];
-      }
-    ];
-    "8.4.0" = [
-      rec {
-        fileVersionCuda = "11.6";
-        fileVersionCudnn = "8.3";
-        fullVersion = "8.4.0.6";
-        sha256 = "sha256-DNgHHXF/G4cK2nnOWImrPXAkOcNW6Wy+8j0LRpAH/LQ=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [
-          "11.0"
-          "11.1"
-          "11.2"
-          "11.3"
-          "11.4"
-          "11.5"
-          "11.6"
-        ];
-      }
-      rec {
-        fileVersionCuda = "10.2";
-        fileVersionCudnn = "8.3";
-        fullVersion = "8.4.0.6";
-        sha256 = "sha256-aCzH0ZI6BrJ0v+e5Bnm7b8mNltA7NNuIa8qRKzAQv+I=";
-        tarball = tarballURL { inherit fileVersionCuda fileVersionCudnn fullVersion; };
-        supportedCudaVersions = [ "10.2" ];
-      }
-    ];
-  };
-
-  # Default attributes
-  tensorRTDefaultVersion =
-    {
-      "10.2" = "8.4.0";
-      "11.0" = "8.4.0";
-      "11.1" = "8.4.0";
-      "11.2" = "8.4.0";
-      "11.3" = "8.4.0";
-      "11.4" = "8.4.0";
-      "11.5" = "8.4.0";
-      "11.6" = "8.4.0";
-      "11.7" = "8.5.3";
-      "11.8" = "8.5.3";
-      "12.0" = "8.6.1";
-      "12.1" = "8.6.1";
-    }
-    .${cudaVersion} or "8.4.0";
-
-in
-tensorRTPackages