diff --git a/src/sync.h b/src/sync.h
--- a/src/sync.h
+++ b/src/sync.h
@@ -363,16 +363,4 @@
     operator bool() const { return fHaveGrant; }
 };
 
-// Utility class for indicating to compiler thread analysis that a mutex is
-// locked (when it couldn't be determined otherwise).
-struct SCOPED_LOCKABLE LockAssertion {
-    template <typename Mutex>
-    explicit LockAssertion(Mutex &mutex) EXCLUSIVE_LOCK_FUNCTION(mutex) {
-#ifdef DEBUG_LOCKORDER
-        AssertLockHeld(mutex);
-#endif
-    }
-    ~LockAssertion() UNLOCK_FUNCTION() {}
-};
-
 #endif // BITCOIN_SYNC_H