diff --git a/flake.nix b/flake.nix
index 9280e0f..18e5759 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,8 +44,6 @@
       (system:
       let
         overlays = [
-          llama-cpp.overlays.default
-          ik_llama-cpp.overlays.default
           rust-overlay.overlays.default
           devshell.overlays.default
           (final: prev: {
@@ -102,43 +100,46 @@
           "gfx1103"
         ];
         lib = pkgs.lib;
-	myOverride = (oldAttrs: {
-                # speeds up builts by only building for a needed rocmTargets...
-                cmakeFlags = [
-                  (lib.cmakeBool "LLAMA_BUILD_SERVER" true)
-                  (lib.cmakeBool "BUILD_SHARED_LIBS" true)
-                  (lib.cmakeBool "CMAKE_SKIP_BUILD_RPATH" true)
-                  (lib.cmakeBool "LLAMA_CURL" true)
-                  (lib.cmakeBool "GGML_NATIVE" true)
-                  (lib.cmakeBool "GGML_BLAS" false)
-                  (lib.cmakeBool "GGML_CUDA" false)
-                  (lib.cmakeBool "GGML_HIP" true) # new one ? kinda undocumented ?
-                  (lib.cmakeBool "GGML_HIPBLAS" true) # seems to be depr
-                  (lib.cmakeBool "GGML_METAL" false)
-                  (lib.cmakeBool "GGML_VULKAN" false)
-                  (lib.cmakeBool "GGML_STATIC" false)
-                  (lib.cmakeBool "GGML_FMA" true)
-                  (lib.cmakeBool "GGML_F16C" true)
-                  (lib.cmakeBool "GGML_AVX2" true)
-                  (lib.cmakeBool "GGML_AVX512" false)
-                  (lib.cmakeFeature "CMAKE_HIP_COMPILER" "${pkgs.rocmPackages.llvm.clang}/bin/clang")
-                  (lib.cmakeFeature "CMAKE_HIP_ARCHITECTURES" (builtins.concatStringsSep ";" rocmTargets))
-                  (lib.cmakeFeature "AMDGPU_TARGETS" (builtins.concatStringsSep ";" rocmTargets))
-                ];
-              });
+        myOverride = oldAttrs: {
+          # speeds up builts by only building for a needed rocmTargets...
+          cmakeFlags = [
+            (lib.cmakeBool "LLAMA_BUILD_SERVER" true)
+            (lib.cmakeBool "BUILD_SHARED_LIBS" true)
+            (lib.cmakeBool "CMAKE_SKIP_BUILD_RPATH" true)
+            (lib.cmakeBool "LLAMA_CURL" true)
+            (lib.cmakeBool "GGML_NATIVE" true)
+            (lib.cmakeBool "GGML_BLAS" false)
+            (lib.cmakeBool "GGML_CUDA" false)
+            (lib.cmakeBool "GGML_HIP" true) # new one ? kinda undocumented ?
+            (lib.cmakeBool "GGML_HIPBLAS" true) # seems to be depr
+            (lib.cmakeBool "GGML_METAL" false)
+            (lib.cmakeBool "GGML_VULKAN" false)
+            (lib.cmakeBool "GGML_STATIC" false)
+            (lib.cmakeBool "GGML_FMA" true)
+            (lib.cmakeBool "GGML_F16C" true)
+            (lib.cmakeBool "GGML_AVX2" true)
+            (lib.cmakeBool "GGML_AVX512" false)
+            (lib.cmakeFeature "CMAKE_HIP_COMPILER" "${pkgs.rocmPackages.llvm.clang}/bin/clang")
+            (lib.cmakeFeature "CMAKE_HIP_ARCHITECTURES" (builtins.concatStringsSep ";" rocmTargets))
+            (lib.cmakeFeature "AMDGPU_TARGETS" (builtins.concatStringsSep ";" rocmTargets))
+          ];
+        };
       in
       {
         packages =
           (import ./.nix { inherit pkgs lib config; })
           // {
-            myikllamacpp = ik_llama-cpp.packages.${system}.default;
-            myllamacpp = pkgs.llamaPackages.llama-cpp.overrideDerivation myOverride;
+            myikllamacpp = ik_llama-cpp.legacyPackages.${system}.llamaPackages.llama-cpp;
+            myikllamacpp-rocm = ik_llama-cpp.legacyPackages.${system}.llamaPackagesRocm.llama-cpp.overrideDerivation myOverride;
+            myllamacpp = llama-cpp.legacyPackages.${system}.llamaPackages.llama-cpp;
+            myllamacpp-rocm = llama-cpp.legacyPackages.${system}.llamaPackagesRocm.llama-cpp.overrideDerivation myOverride;
           };
         devShells.default = pkgs.mkShell {
           packages = with pkgs;
             [
               customRustToolchain
-              self.packages.${system}.myllamacpp
+              # self.packages.${system}.myllamacpp
+              self.packages.${system}.myikllamacpp-rocm
               aider-chat
               bacon
               binaryen