diff --git a/react-dnd/react-dnd-tests.ts b/react-dnd/react-dnd-tests.ts
index d270a041de..45c492073f 100644
--- a/react-dnd/react-dnd-tests.ts
+++ b/react-dnd/react-dnd-tests.ts
@@ -80,6 +80,8 @@ module Knight {
     }
 
     export class Knight extends React.Component<KnightP, {}> {
+        static defaultProps: KnightP;
+        
         static create = React.createFactory(Knight);
 
         componentDidMount() {
@@ -153,6 +155,8 @@ module BoardSquare {
     }
 
     export class BoardSquare extends React.Component<BoardSquareP, {}> {
+        static defaultProps: BoardSquareP;
+        
         private _renderOverlay = (color: string) => {
             return r.div({
                 style: {
diff --git a/react/react-addons-tests.ts b/react/react-addons-tests.ts
index 245cb78d8d..4d8ed3212e 100644
--- a/react/react-addons-tests.ts
+++ b/react/react-addons-tests.ts
@@ -84,6 +84,8 @@ class ModernComponent extends React.Component<Props, State>
     static childContextTypes: React.ValidationMap<ChildContext> = {
         someOtherValue: React.PropTypes.string
     }
+    
+    static defaultProps: Props;
 
     context: Context;
 
diff --git a/react/react-global-tests.ts b/react/react-global-tests.ts
index a3f4a14849..0b20e46509 100644
--- a/react/react-global-tests.ts
+++ b/react/react-global-tests.ts
@@ -81,6 +81,8 @@ class ModernComponent extends React.Component<Props, State>
         someOtherValue: React.PropTypes.string
     }
     
+    static defaultProps: Props;
+    
     context: Context;
     
     getChildContext() {
diff --git a/react/react-tests.ts b/react/react-tests.ts
index 6540cc9f35..053a17eb94 100644
--- a/react/react-tests.ts
+++ b/react/react-tests.ts
@@ -82,6 +82,8 @@ class ModernComponent extends React.Component<Props, State>
         someOtherValue: React.PropTypes.string
     }
     
+    static defaultProps: Props;
+    
     context: Context;
     
     getChildContext() {