diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common.h b/compiler-rt/lib/sanitizer_common/sanitizer_common.h
index 376450c03e9d2d..be36baa9d14f83 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common.h
@@ -592,7 +592,7 @@ class InternalMmapVector : public InternalMmapVectorNoCtor<T> {
 
 class InternalScopedString {
  public:
-  explicit InternalScopedString() : buffer_(1) { buffer_[0] = '\0'; }
+  InternalScopedString() : buffer_(1) { buffer_[0] = '\0'; }
 
   uptr length() const { return buffer_.size() - 1; }
   void clear() {