diff --git a/pkgs/development/compilers/llvm/10/default.nix b/pkgs/development/compilers/llvm/10/default.nix
index 4dc41961e23..566f9742ccb 100644
--- a/pkgs/development/compilers/llvm/10/default.nix
+++ b/pkgs/development/compilers/llvm/10/default.nix
@@ -30,16 +30,11 @@ let
   in {
 
     llvm = callPackage ./llvm.nix { };
-    llvm-polly = callPackage ./llvm.nix { enablePolly = true; };
 
     clang-unwrapped = callPackage ./clang {
       inherit (tools) lld;
       inherit clang-tools-extra_src;
     };
-    clang-polly-unwrapped = callPackage ./clang {
-      inherit clang-tools-extra_src;
-      llvm = tools.llvm-polly;
-    };
 
     llvm-manpages = lowPrio (tools.llvm.override {
       enableManpages = true;
diff --git a/pkgs/development/compilers/llvm/10/llvm.nix b/pkgs/development/compilers/llvm/10/llvm.nix
index aa3668b43cf..fff80e3f814 100644
--- a/pkgs/development/compilers/llvm/10/llvm.nix
+++ b/pkgs/development/compilers/llvm/10/llvm.nix
@@ -17,7 +17,7 @@
 , enablePFM ? !(stdenv.isDarwin
   || stdenv.isAarch64 # broken for Ampere eMAG 8180 (c2.large.arm on Packet) #56245
 )
-, enablePolly ? false
+, enablePolly ? true
 }:
 
 let