diff --git a/pkgs/tools/misc/silicon/default.nix b/pkgs/tools/misc/silicon/default.nix
index ba300f43d0f..eadfd64b60f 100644
--- a/pkgs/tools/misc/silicon/default.nix
+++ b/pkgs/tools/misc/silicon/default.nix
@@ -5,7 +5,6 @@
 , fetchpatch
 , pkg-config
 , cmake
-, llvmPackages
 , expat
 , freetype
 , libxcb
@@ -45,15 +44,13 @@ rustPlatform.buildRustPackage rec {
     };
   };
 
-  buildInputs = [ llvmPackages.libclang expat freetype fira-code fontconfig harfbuzz ]
+  buildInputs = [ expat freetype fira-code fontconfig harfbuzz ]
     ++ lib.optionals stdenv.isLinux [ libxcb ]
     ++ lib.optionals stdenv.isDarwin [ libiconv AppKit CoreText Security ];
 
-  nativeBuildInputs = [ cmake pkg-config ]
+  nativeBuildInputs = [ cmake pkg-config rustPlatform.bindgenHook ]
     ++ lib.optionals stdenv.isLinux [ python3 ];
 
-  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
-
   preCheck = ''
     export HOME=$TMPDIR
   '';