diff --git a/clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h b/clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
--- a/clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
+++ b/clang/include/clang/Tooling/DependencyScanning/DependencyScanningTool.h
@@ -38,13 +38,6 @@
   /// determined that the differences are benign for this compilation.
   std::vector<ModuleID> ClangModuleDeps;
 
-  /// A partial addtional set of command line arguments that can be used to
-  /// build this translation unit.
-  ///
-  /// Call \c getFullAdditionalCommandLine() to get a command line suitable for
-  /// appending to the original command line to pass to clang.
-  std::vector<std::string> AdditionalNonPathCommandLine;
-
   /// Gets the full addtional command line suitable for appending to the
   /// original command line to pass to clang.
   ///
diff --git a/clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp b/clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
--- a/clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
+++ b/clang/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
@@ -16,10 +16,10 @@
 std::vector<std::string> FullDependencies::getAdditionalCommandLine(
     std::function<StringRef(ModuleID)> LookupPCMPath,
     std::function<const ModuleDeps &(ModuleID)> LookupModuleDeps) const {
-  std::vector<std::string> Ret = AdditionalNonPathCommandLine;
-
-  Ret.push_back("-fno-implicit-modules");
-  Ret.push_back("-fno-implicit-module-maps");
+  std::vector<std::string> Ret{
+      "-fno-implicit-modules",
+      "-fno-implicit-module-maps",
+  };
 
   std::vector<std::string> PCMPaths;
   std::vector<std::string> ModMapPaths;