diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index a6b1102488ae02..176d92ae6fb1bc 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -2294,7 +2294,7 @@ class Sema final {
   }
 
   /// Enter the scope of the global module.
-  Module *PushGlobalModuleFragment(SourceLocation BeginLoc, bool IsImplicit);
+  Module *PushGlobalModuleFragment(SourceLocation BeginLoc);
   /// Leave the scope of the global module.
   void PopGlobalModuleFragment();
 
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index 7bae979fe061dc..6ec0eacf7a37c0 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -16363,7 +16363,7 @@ Decl *Sema::ActOnStartLinkageSpecification(Scope *S, SourceLocation ExternLoc,
   /// need to attach it again.
   if (getLangOpts().CPlusPlusModules && isCurrentModulePurview()) {
     Module *GlobalModule =
-        PushGlobalModuleFragment(ExternLoc, /*IsImplicit=*/true);
+        PushGlobalModuleFragment(ExternLoc);
     /// According to [module.reach]p3.2,
     /// The declaration in global module fragment is reachable if it is not
     /// discarded. And the discarded declaration should be deleted. So it
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index eb9a3e65763f27..81d2c31c564adc 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -2979,7 +2979,7 @@ void Sema::DeclareGlobalNewDelete() {
   //   functions are replaceable ([new.delete]); these are attached to the
   //   global module ([module.unit]).
   if (getLangOpts().CPlusPlusModules && getCurrentModule())
-    PushGlobalModuleFragment(SourceLocation(), /*IsImplicit=*/true);
+    PushGlobalModuleFragment(SourceLocation());
 
   // C++ [basic.std.dynamic]p2:
   //   [...] The following allocation and deallocation functions (18.4) are
diff --git a/clang/lib/Sema/SemaModule.cpp b/clang/lib/Sema/SemaModule.cpp
index f03d98210b5b64..59891ec2a8174e 100644
--- a/clang/lib/Sema/SemaModule.cpp
+++ b/clang/lib/Sema/SemaModule.cpp
@@ -74,10 +74,9 @@ static std::string stringFromPath(ModuleIdPath Path) {
 
 Sema::DeclGroupPtrTy
 Sema::ActOnGlobalModuleFragmentDecl(SourceLocation ModuleLoc) {
-  // We start in the global module; all those declarations are implicitly
-  // module-private (though they do not have module linkage).
+  // We start in the global module;
   Module *GlobalModule =
-      PushGlobalModuleFragment(ModuleLoc, /*IsImplicit=*/false);
+      PushGlobalModuleFragment(ModuleLoc);
 
   // All declarations created from now on are owned by the global module.
   auto *TU = Context.getTranslationUnitDecl();
@@ -956,8 +955,7 @@ Decl *Sema::ActOnFinishExportDecl(Scope *S, Decl *D, SourceLocation RBraceLoc) {
   return D;
 }
 
-Module *Sema::PushGlobalModuleFragment(SourceLocation BeginLoc,
-                                       bool IsImplicit) {
+Module *Sema::PushGlobalModuleFragment(SourceLocation BeginLoc) {
   // We shouldn't create new global module fragment if there is already
   // one.
   if (!GlobalModuleFragment) {