diff --git a/include/clang/Analysis/AnalysisContext.h b/include/clang/Analysis/AnalysisContext.h
index 4324a0352e3a1b6f79aae687e2e89bddfd2884d3..f6a47d646d1dd7dad95d7d35a8269a1dbcfe67c7 100644
--- a/include/clang/Analysis/AnalysisContext.h
+++ b/include/clang/Analysis/AnalysisContext.h
@@ -406,7 +406,8 @@ private:
 };
 
 class AnalysisDeclContextManager {
-  typedef llvm::DenseMap<const Decl*, AnalysisDeclContext*> ContextMap;
+  typedef llvm::DenseMap<const Decl *, std::unique_ptr<AnalysisDeclContext>>
+      ContextMap;
 
   ContextMap Contexts;
   LocationContextManager LocContexts;
diff --git a/lib/Analysis/AnalysisDeclContext.cpp b/lib/Analysis/AnalysisDeclContext.cpp
index 6bbe8f86d48eaaa7670e39533c96b49792cf8bbb..6b58916162f630f262d65db3fbde367847428d69 100644
--- a/lib/Analysis/AnalysisDeclContext.cpp
+++ b/lib/Analysis/AnalysisDeclContext.cpp
@@ -81,9 +81,7 @@ AnalysisDeclContextManager::AnalysisDeclContextManager(bool useUnoptimizedCFG,
   cfgBuildOptions.AddCXXNewAllocator = addCXXNewAllocator;
 }
 
-void AnalysisDeclContextManager::clear() {
-  llvm::DeleteContainerSeconds(Contexts);
-}
+void AnalysisDeclContextManager::clear() { Contexts.clear(); }
 
 static BodyFarm &getBodyFarm(ASTContext &C, CodeInjector *injector = nullptr) {
   static BodyFarm *BF = new BodyFarm(C, injector);
@@ -307,10 +305,10 @@ AnalysisDeclContext *AnalysisDeclContextManager::getContext(const Decl *D) {
     D = FD;
   }
 
-  AnalysisDeclContext *&AC = Contexts[D];
+  std::unique_ptr<AnalysisDeclContext> &AC = Contexts[D];
   if (!AC)
-    AC = new AnalysisDeclContext(this, D, cfgBuildOptions);
-  return AC;
+    AC = llvm::make_unique<AnalysisDeclContext>(this, D, cfgBuildOptions);
+  return AC.get();
 }
 
 const StackFrameContext *
@@ -606,9 +604,7 @@ AnalysisDeclContext::~AnalysisDeclContext() {
   }
 }
 
-AnalysisDeclContextManager::~AnalysisDeclContextManager() {
-  llvm::DeleteContainerSeconds(Contexts);
-}
+AnalysisDeclContextManager::~AnalysisDeclContextManager() {}
 
 LocationContext::~LocationContext() {}