diff --git a/clang/lib/Tooling/Tooling.cpp b/clang/lib/Tooling/Tooling.cpp
index 230f73c..aa72f63 100644
--- a/clang/lib/Tooling/Tooling.cpp
+++ b/clang/lib/Tooling/Tooling.cpp
@@ -186,10 +186,6 @@
     delete Action;
 }
 
-void ToolInvocation::setDiagnosticConsumer(DiagnosticConsumer *D) {
-  DiagConsumer = D;
-}
-
 void ToolInvocation::mapVirtualFile(StringRef FilePath, StringRef Content) {
   SmallString<1024> PathStorage;
   llvm::sys::path::native(FilePath, PathStorage);
@@ -275,30 +271,21 @@
                      ArrayRef<std::string> SourcePaths)
     : Compilations(Compilations), SourcePaths(SourcePaths),
       Files(new FileManager(FileSystemOptions())), DiagConsumer(nullptr) {
-  ArgsAdjusters.push_back(new ClangStripOutputAdjuster());
-  ArgsAdjusters.push_back(new ClangSyntaxOnlyAdjuster());
+  appendArgumentsAdjuster(new ClangStripOutputAdjuster());
+  appendArgumentsAdjuster(new ClangSyntaxOnlyAdjuster());
 }
 
-void ClangTool::setDiagnosticConsumer(DiagnosticConsumer *D) {
-  DiagConsumer = D;
-}
+ClangTool::~ClangTool() {}
 
 void ClangTool::mapVirtualFile(StringRef FilePath, StringRef Content) {
   MappedFileContents.push_back(std::make_pair(FilePath, Content));
 }
 
-void ClangTool::setArgumentsAdjuster(ArgumentsAdjuster *Adjuster) {
-  clearArgumentsAdjusters();
-  appendArgumentsAdjuster(Adjuster);
-}
-
 void ClangTool::appendArgumentsAdjuster(ArgumentsAdjuster *Adjuster) {
-  ArgsAdjusters.push_back(Adjuster);
+  ArgsAdjusters.push_back(std::unique_ptr<ArgumentsAdjuster>(Adjuster));
 }
 
 void ClangTool::clearArgumentsAdjusters() {
-  for (unsigned I = 0, E = ArgsAdjusters.size(); I != E; ++I)
-    delete ArgsAdjusters[I];
   ArgsAdjusters.clear();
 }
 
@@ -341,7 +328,7 @@
         llvm::report_fatal_error("Cannot chdir into \"" +
                                  Twine(CompileCommand.Directory) + "\n!");
       std::vector<std::string> CommandLine = CompileCommand.CommandLine;
-      for (ArgumentsAdjuster *Adjuster : ArgsAdjusters)
+      for (const auto &Adjuster : ArgsAdjusters)
         CommandLine = Adjuster->Adjust(CommandLine);
       assert(!CommandLine.empty());
       CommandLine[0] = MainExecutable;