diff --git a/pkgs/development/compilers/ghc/8.10.2-binary.nix b/pkgs/development/compilers/ghc/8.10.2-binary.nix
index bf909016ac22..93ebca2b6c4a 100644
--- a/pkgs/development/compilers/ghc/8.10.2-binary.nix
+++ b/pkgs/development/compilers/ghc/8.10.2-binary.nix
@@ -378,6 +378,8 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
     enableShared = true;
 
+    inherit llvmPackages;
+
     # Our Cabal compiler name
     haskellCompilerName = "ghc-${version}";
   };
diff --git a/pkgs/development/compilers/ghc/8.10.7-binary.nix b/pkgs/development/compilers/ghc/8.10.7-binary.nix
index 58be16dc5693..a8ec751d2d24 100644
--- a/pkgs/development/compilers/ghc/8.10.7-binary.nix
+++ b/pkgs/development/compilers/ghc/8.10.7-binary.nix
@@ -378,6 +378,8 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
     enableShared = true;
 
+    inherit llvmPackages;
+
     # Our Cabal compiler name
     haskellCompilerName = "ghc-${version}";
   };
diff --git a/pkgs/development/compilers/ghc/8.6.5-binary.nix b/pkgs/development/compilers/ghc/8.6.5-binary.nix
index b1126fda7d26..e8ae6761be8d 100644
--- a/pkgs/development/compilers/ghc/8.6.5-binary.nix
+++ b/pkgs/development/compilers/ghc/8.6.5-binary.nix
@@ -181,14 +181,15 @@ stdenv.mkDerivation rec {
     targetPrefix = "";
     enableShared = true;
 
+    inherit llvmPackages;
+
     # Our Cabal compiler name
     haskellCompilerName = "ghc-${version}";
   };
 
   meta = rec {
     license = lib.licenses.bsd3;
-    platforms = ["x86_64-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
-    hydraPlatforms = builtins.filter (p: p != "aarch64-linux") platforms;
+    platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin"];
     # build segfaults, use ghc8102Binary which has proper musl support instead
     broken = stdenv.hostPlatform.isMusl;
     maintainers = with lib.maintainers; [
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
index 5e42a7c1131c..ec5515659309 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
@@ -4,8 +4,7 @@ with haskellLib;
 
 self: super: {
 
-  # This compiler version needs llvm 9.x.
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_9;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 8.10.x core libraries.
   array = null;
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
index db202735f893..ce7bf88d1da8 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -4,8 +4,7 @@ with haskellLib;
 
 self: super: {
 
-  # This compiler version needs llvm 6.x.
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_6;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 8.6.x core libraries.
   array = null;
diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index a27a7c522098..94e9a32ce05a 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -4,8 +4,7 @@ with haskellLib;
 
 self: super: {
 
-  # This compiler version needs llvm 7.x.
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_7;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 8.8.x core libraries.
   array = null;
diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
index 08d1ba3b2107..7999e228c748 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.0.x.nix
@@ -4,8 +4,7 @@ with haskellLib;
 
 self: super: {
 
-  # This compiler version needs llvm 10.x.
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_10;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 9.0.x core libraries.
   array = null;
diff --git a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
index 7dc5e70b90c7..c8488453fdcb 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-9.2.x.nix
@@ -4,8 +4,7 @@ with haskellLib;
 
 self: super: {
 
-  # This compiler version needs llvm 10.x.
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_10;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 9.2.x core libraries.
   array = null;
diff --git a/pkgs/development/haskell-modules/configuration-ghc-head.nix b/pkgs/development/haskell-modules/configuration-ghc-head.nix
index f2fa17d9c46b..e1e3f2c99884 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-head.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-head.nix
@@ -11,7 +11,7 @@ with haskellLib;
 
 self: super: {
 
-  llvmPackages = pkgs.lib.dontRecurseIntoAttrs pkgs.llvmPackages_10;
+  llvmPackages = pkgs.lib.dontRecurseIntoAttrs self.ghc.llvmPackages;
 
   # Disable GHC 8.7.x core libraries.
   array = null;
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index bf340c10cb3b..87a2778fdf85 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -50,7 +50,9 @@ in {
 
   compiler = {
 
-    ghc865Binary = callPackage ../development/compilers/ghc/8.6.5-binary.nix { };
+    ghc865Binary = callPackage ../development/compilers/ghc/8.6.5-binary.nix {
+      llvmPackages = pkgs.llvmPackages_6;
+    };
 
     ghc8102Binary = callPackage ../development/compilers/ghc/8.10.2-binary.nix {
       llvmPackages = pkgs.llvmPackages_9;
@@ -62,11 +64,11 @@ in {
     };
 
     ghc8107Binary = callPackage ../development/compilers/ghc/8.10.7-binary.nix {
-      llvmPackages = pkgs.llvmPackages_11;
+      llvmPackages = pkgs.llvmPackages_12;
     };
 
     ghc8107BinaryMinimal = callPackage ../development/compilers/ghc/8.10.7-binary.nix {
-      llvmPackages = pkgs.llvmPackages_11;
+      llvmPackages = pkgs.llvmPackages_12;
       minimal = true;
     };
 
@@ -96,8 +98,8 @@ in {
       # https://github.com/xattr/xattr/issues/44 and
       # https://github.com/xattr/xattr/issues/55 are solved.
       inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
-      buildLlvmPackages = buildPackages.llvmPackages_9;
-      llvmPackages = pkgs.llvmPackages_9;
+      buildLlvmPackages = buildPackages.llvmPackages_12;
+      llvmPackages = pkgs.llvmPackages_12;
     };
     ghc901 = callPackage ../development/compilers/ghc/9.0.1.nix {
       bootPkgs =
@@ -109,8 +111,8 @@ in {
           packages.ghc8107Binary;
       inherit (buildPackages.python3Packages) sphinx;
       inherit (buildPackages.darwin) autoSignDarwinBinariesHook;
-      buildLlvmPackages = buildPackages.llvmPackages_10;
-      llvmPackages = pkgs.llvmPackages_10;
+      buildLlvmPackages = buildPackages.llvmPackages_9;
+      llvmPackages = pkgs.llvmPackages_9;
     };
     ghc921 = callPackage ../development/compilers/ghc/9.2.1.nix {
       bootPkgs =
@@ -124,8 +126,8 @@ in {
       # https://github.com/xattr/xattr/issues/44 and
       # https://github.com/xattr/xattr/issues/55 are solved.
       inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
-      buildLlvmPackages = buildPackages.llvmPackages_10;
-      llvmPackages = pkgs.llvmPackages_10;
+      buildLlvmPackages = buildPackages.llvmPackages_12;
+      llvmPackages = pkgs.llvmPackages_12;
     };
     ghcHEAD = callPackage ../development/compilers/ghc/head.nix {
       bootPkgs = packages.ghc8107Binary;
@@ -134,8 +136,8 @@ in {
       # https://github.com/xattr/xattr/issues/44 and
       # https://github.com/xattr/xattr/issues/55 are solved.
       inherit (buildPackages.darwin) xattr autoSignDarwinBinariesHook;
-      buildLlvmPackages = buildPackages.llvmPackages_10;
-      llvmPackages = pkgs.llvmPackages_10;
+      buildLlvmPackages = buildPackages.llvmPackages_12;
+      llvmPackages = pkgs.llvmPackages_12;
       libffi = pkgs.libffi;
     };