diff --git a/libcxx/.clang-format b/libcxx/.clang-format
--- a/libcxx/.clang-format
+++ b/libcxx/.clang-format
@@ -65,7 +65,6 @@
 InsertTrailingCommas: Wrapped
 KeepEmptyLinesAtTheStartOfBlocks: false
 MaxEmptyLinesToKeep: 1
-NamespaceIndentation: Inner
 PackConstructorInitializers: NextLine
 
 PenaltyIndentedWhitespace: 61