diff --git a/clang/utils/TableGen/TableGen.cpp b/clang/utils/TableGen/TableGen.cpp
index f217a6e1724c..4e7624db1519 100644
--- a/clang/utils/TableGen/TableGen.cpp
+++ b/clang/utils/TableGen/TableGen.cpp
@@ -263,10 +263,3 @@ int main(int argc, char **argv) {
 
   return TableGenMain(argv[0], &ClangTableGenMain);
 }
-
-extern "C" {
-// Disable LeakSanitizer for this binary as it has too many leaks that are not
-// very interesting to fix. __lsan_is_turned_off is explained in
-// compiler-rt/include/sanitizer/lsan_interface.h
-int __lsan_is_turned_off() { return 1; }
-}  // extern "C"