diff --git a/src/core/ReactCompositeComponent.js b/src/core/ReactCompositeComponent.js
index aec3f8fe52..9462757d94 100644
--- a/src/core/ReactCompositeComponent.js
+++ b/src/core/ReactCompositeComponent.js
@@ -450,12 +450,7 @@ function mixSpecIntoComponent(ConvenienceConstructor, spec) {
     if (RESERVED_SPEC_KEYS.hasOwnProperty(name)) {
       RESERVED_SPEC_KEYS[name](ConvenienceConstructor, property);
     } else if (RESERVED_STATIC_SPEC_KEYS.hasOwnProperty(name)) {
-      if (__DEV__) {
-        console.warn(
-          'createClass(...): `' + name + '` is now a static property and ' +
-          'should be defined inside "statics".'
-        );
-      }
+      // TODO: deprecate this with a warning
       RESERVED_STATIC_SPEC_KEYS[name](ConvenienceConstructor, property);
     } else {
       // Setup methods on prototype:
diff --git a/src/core/__tests__/ReactCompositeComponent-test.js b/src/core/__tests__/ReactCompositeComponent-test.js
index 6fa5212af0..ed5a26118b 100644
--- a/src/core/__tests__/ReactCompositeComponent-test.js
+++ b/src/core/__tests__/ReactCompositeComponent-test.js
@@ -566,7 +566,7 @@ describe('ReactCompositeComponent', function() {
     }
   });
 
-  it('should warn when using deprecated non-static spec keys', function() {
+  xit('should warn when using deprecated non-static spec keys', function() {
     var warn = console.warn;
     console.warn = mocks.getMockFunction();
     try {