diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
index cb591ac..617121f 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
@@ -52,7 +52,6 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
 #include "clang/StaticAnalyzer/Core/PathSensitive/GRStateTrait.h"
 #include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
-#include "clang/Analysis/DomainSpecific/CocoaConventions.h"
 #include "clang/AST/ParentMap.h"
 
 using namespace clang;
@@ -347,15 +346,11 @@
 }
 
 static bool isInitializationMethod(const ObjCMethodDecl *MD) {
-  // Init methods with prefix like '-(id)_init' are private and the requirements
-  // are less strict so we don't check those.
-  return MD->isInstanceMethod() &&
-      cocoa::deriveNamingConvention(MD->getSelector(),
-                                    /*ignorePrefix=*/false) == cocoa::InitRule;
+  return MD->getMethodFamily() == OMF_init;
 }
 
 static bool isInitMessage(const ObjCMessage &msg) {
-  return cocoa::deriveNamingConvention(msg.getSelector()) == cocoa::InitRule;
+  return msg.getMethodFamily() == OMF_init;
 }
 
 //===----------------------------------------------------------------------===//