diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index a84f8ab25484..b875f8252370 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -22,7 +22,7 @@
 , cmake
 , rustc
 , rust-bindgen
-, spirv-llvm-translator_14
+, spirv-llvm-translator
 }:
 
 /** Packaging design:
@@ -44,11 +44,17 @@ let
 
   withLibdrm = lib.meta.availableOn stdenv.hostPlatform libdrm;
 
+  # Align all the Mesa versions used. Required to prevent explosions when
+  # two different LLVMs are loaded in the same process.
+  # FIXME: these should really go into some sort of versioned LLVM package set
   rust-bindgen' = rust-bindgen.override {
     rust-bindgen-unwrapped = rust-bindgen.unwrapped.override {
       clang = llvmPackages.clang;
     };
   };
+  spirv-llvm-translator' = spirv-llvm-translator.override {
+    inherit (llvmPackages) llvm;
+  };
 
 self = stdenv.mkDerivation {
   pname = "mesa";
@@ -146,7 +152,7 @@ self = stdenv.mkDerivation {
   ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [ wayland wayland-protocols ]
     ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ]
     ++ lib.optionals stdenv.isDarwin [ libunwind ]
-    ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator_14 ]
+    ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator' ]
     ++ lib.optional withValgrind valgrind-light
     # Mesa will not build zink when gallium-drivers=auto
     ++ lib.optional (lib.elem "zink" galliumDrivers) vulkan-loader;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 63a91e4aa0f3..6576523942f2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15913,8 +15913,6 @@ with pkgs;
 
   spirv-llvm-translator = callPackage ../development/compilers/spirv-llvm-translator { };
 
-  spirv-llvm-translator_14 = callPackage ../development/compilers/spirv-llvm-translator { llvm = llvm_14; };
-
   sqldeveloper = callPackage ../development/tools/database/sqldeveloper {
     jdk = oraclejdk;
   };
@@ -22035,7 +22033,7 @@ with pkgs;
   libGLU = mesa_glu;
 
   mesa = callPackage ../development/libraries/mesa {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_15;
     stdenv = if stdenv.isDarwin then darwin.apple_sdk_11_0.stdenv else stdenv;
     inherit (darwin.apple_sdk_11_0.frameworks) OpenGL;
     inherit (darwin.apple_sdk_11_0.libs) Xplugin;