diff --git a/.clang-tidy b/.clang-tidy
index db4990355..c97a138f3 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -9,7 +9,6 @@ WarningsAsErrors: >
   -bugprone-unused-local-non-trivial-variable,
   -bugprone-easily-swappable-parameters,
   -bugprone-forward-declararion-namespace,
-  -bugprone-forward-declararion-namespace,
   -bugprone-macro-parentheses,
   -bugprone-narrowing-conversions,
   -bugprone-branch-clone,
@@ -113,7 +112,6 @@ Checks: >
   bugprone-*,
   -bugprone-easily-swappable-parameters,
   -bugprone-forward-declararion-namespace,
-  -bugprone-forward-declararion-namespace,
   -bugprone-macro-parentheses,
   -bugprone-narrowing-conversions,
   -bugprone-branch-clone,