diff --git a/src/modern/class/ReactComponent.js b/src/modern/class/ReactComponent.js
index e502bffd12..bec7026b3d 100644
--- a/src/modern/class/ReactComponent.js
+++ b/src/modern/class/ReactComponent.js
@@ -100,6 +100,7 @@ if (__DEV__) {
   var deprecatedAPIs = {
     getDOMNode: 'getDOMNode',
     isMounted: 'isMounted',
+    replaceProps: 'replaceProps',
     replaceState: 'replaceState',
     setProps: 'setProps'
   };
diff --git a/src/modern/class/__tests__/ReactCoffeeScriptClass-test.coffee b/src/modern/class/__tests__/ReactCoffeeScriptClass-test.coffee
index b7b2c185ee..268e4368fe 100644
--- a/src/modern/class/__tests__/ReactCoffeeScriptClass-test.coffee
+++ b/src/modern/class/__tests__/ReactCoffeeScriptClass-test.coffee
@@ -318,7 +318,8 @@ describe 'ReactCoffeeScriptClass', ->
     expect(-> instance.replaceState {}).toThrow()
     expect(-> instance.isMounted()).toThrow()
     expect(-> instance.setProps name: 'bar').toThrow()
-    expect(console.warn.calls.length).toBe 4
+    expect(-> instance.replaceProps name: 'bar').toThrow()
+    expect(console.warn.calls.length).toBe 5
     expect(console.warn.calls[0].args[0]).toContain(
       'getDOMNode(...) is deprecated in plain JavaScript React classes'
     )
@@ -331,6 +332,9 @@ describe 'ReactCoffeeScriptClass', ->
     expect(console.warn.calls[3].args[0]).toContain(
       'setProps(...) is deprecated in plain JavaScript React classes'
     )
+    expect(console.warn.calls[4].args[0]).toContain(
+      'replaceProps(...) is deprecated in plain JavaScript React classes'
+    )
 
   it 'supports this.context passed via getChildContext', ->
     class Bar
diff --git a/src/modern/class/__tests__/ReactES6Class-test.js b/src/modern/class/__tests__/ReactES6Class-test.js
index 106d0d125e..d4e7bc6343 100644
--- a/src/modern/class/__tests__/ReactES6Class-test.js
+++ b/src/modern/class/__tests__/ReactES6Class-test.js
@@ -354,7 +354,8 @@ describe('ReactES6Class', function() {
     expect(() => instance.replaceState({})).toThrow();
     expect(() => instance.isMounted()).toThrow();
     expect(() => instance.setProps({name: 'bar'})).toThrow();
-    expect(console.warn.calls.length).toBe(4);
+    expect(() => instance.replaceProps({name: 'bar'})).toThrow();
+    expect(console.warn.calls.length).toBe(5);
     expect(console.warn.calls[0].args[0]).toContain(
       'getDOMNode(...) is deprecated in plain JavaScript React classes'
     );
@@ -367,6 +368,9 @@ describe('ReactES6Class', function() {
     expect(console.warn.calls[3].args[0]).toContain(
       'setProps(...) is deprecated in plain JavaScript React classes'
     );
+    expect(console.warn.calls[4].args[0]).toContain(
+      'replaceProps(...) is deprecated in plain JavaScript React classes'
+    );
   });
 
   it('supports this.context passed via getChildContext', function() {
diff --git a/src/modern/class/__tests__/ReactTypeScriptClass-test.ts b/src/modern/class/__tests__/ReactTypeScriptClass-test.ts
index eb447a8ce3..b0e4562945 100644
--- a/src/modern/class/__tests__/ReactTypeScriptClass-test.ts
+++ b/src/modern/class/__tests__/ReactTypeScriptClass-test.ts
@@ -451,7 +451,8 @@ describe('ReactTypeScriptClass', function() {
     expect(() => instance.replaceState({})).toThrow();
     expect(() => instance.isMounted()).toThrow();
     expect(() => instance.setProps({ name: 'bar' })).toThrow();
-    expect(warn.mock.calls.length).toBe(4);
+    expect(() => instance.replaceProps({ name: 'bar' })).toThrow();
+    expect(warn.mock.calls.length).toBe(5);
     expect(warn.mock.calls[0][0]).toContain(
       'getDOMNode(...) is deprecated in plain JavaScript React classes'
     );
@@ -464,6 +465,9 @@ describe('ReactTypeScriptClass', function() {
     expect(warn.mock.calls[3][0]).toContain(
       'setProps(...) is deprecated in plain JavaScript React classes'
     );
+    expect(warn.mock.calls[4][0]).toContain(
+      'replaceProps(...) is deprecated in plain JavaScript React classes'
+    );
   });
 
   it('supports this.context passed via getChildContext', function() {