diff --git a/browser/config/tooltool-manifests/macosx32/releng.manifest b/browser/config/tooltool-manifests/macosx32/releng.manifest
deleted file mode 100644
index ede87d30e76d..000000000000
--- a/browser/config/tooltool-manifests/macosx32/releng.manifest
+++ /dev/null
@@ -1,17 +0,0 @@
-[
-{
-"clang_version": "r170890"
-},
-{
-"size": 47,
-"digest": "2005a41fe97a5e00997063705f39d42b6a43b1cf7ba306cbc7b1513de34cdcd050fc6326efa2107f19ba0cc67914745dbf13154fa748010a93cf072481ef4aaa",
-"algorithm": "sha512",
-"filename": "setup.sh"
-},
-{
-"size": 56126352,
-"digest": "e156e2a39abd5bf272ee30748a6825f22ddd27565b097c66662a2a6f2e9892bc5b4bf30a3552dffbe867dbfc39e7ee086e0b2cd7935f6ea216c0cf936178a88f",
-"algorithm": "sha512",
-"filename": "clang.tar.bz2"
-}
-]