diff --git a/src/shared/clang/clang_installation.pri b/src/shared/clang/clang_installation.pri
index f9eea556062..2d1be607487 100644
--- a/src/shared/clang/clang_installation.pri
+++ b/src/shared/clang/clang_installation.pri
@@ -120,6 +120,9 @@ isEmpty(LLVM_VERSION) {
     LLVM_BINDIR = $$quote($$system($$llvm_config --bindir, lines))
     LLVM_INCLUDEPATH = $$system($$llvm_config --includedir, lines)
     msvc {
+        # CLANG-UPGRADE-CHECK: Remove suppression if this warning is resolved.
+        # Suppress unreferenced formal parameter warnings
+        QMAKE_CXXFLAGS += -wd4100
         LLVM_STATIC_LIBS_STRING += $$system($$llvm_config --libnames, lines)
     } else {
         LLVM_STATIC_LIBS_STRING += $$system($$llvm_config --libs, lines)