diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -5716,7 +5716,6 @@
           assert(unpaddedIndex == 0);
         Builder.CreateStore(elt, eltAddr);
       }
-      // FALLTHROUGH
       [[fallthrough]];
     }
 
diff --git a/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp b/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
--- a/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
+++ b/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp
@@ -2121,7 +2121,6 @@
           }
         }
       }
-      // FALLTHROUGH
       [[fallthrough]];
     }
 
diff --git a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
--- a/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
+++ b/clang/lib/StaticAnalyzer/Core/SValBuilder.cpp
@@ -395,7 +395,6 @@
       return evalCast(*Val, CE->getType(), SE->getType());
     }
     }
-    // FALLTHROUGH
     [[fallthrough]];
   }