diff --git a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
index 3446db0b1214..4f35d8ac51f0 100644
--- a/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
+++ b/lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
@@ -1231,11 +1231,6 @@ void TypeSystemClang::SetOwningModule(clang::Decl *decl,
   decl->setFromASTFile();
   decl->setOwningModuleID(owning_module.GetValue());
   decl->setModuleOwnershipKind(clang::Decl::ModuleOwnershipKind::Visible);
-  if (auto *decl_ctx = llvm::dyn_cast<clang::DeclContext>(decl)) {
-    decl_ctx->setHasExternalVisibleStorage();
-    if (auto *ns = llvm::dyn_cast<NamespaceDecl>(decl_ctx))
-      ns->getPrimaryContext()->setMustBuildLookupTable();
-  }
 }
 
 OptionalClangModuleID