diff --git a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
--- a/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
+++ b/clang/lib/StaticAnalyzer/Frontend/CheckerRegistry.cpp
@@ -273,7 +273,7 @@
   resolveDependencies<true>();
   resolveDependencies<false>();
 
-#ifndef NDEBUG // avoid -Wunused warnings in release build.
+#ifndef NDEBUG
   for (auto &DepPair : Dependencies) {
     for (auto &WeakDepPair : WeakDependencies) {
       // Some assertions to enforce that strong dependencies are relations in
@@ -285,9 +285,7 @@
              "A strong dependency mustn't have weak dependencies!");
       assert(WeakDepPair.second != DepPair.second &&
              "A strong dependency mustn't be a weak dependency as well!");
-      (void)WeakDepPair;
     }
-    (void)DepPair;
   }
 #endif