diff --git a/packages/react-reconciler/src/ReactFiberContext.js b/packages/react-reconciler/src/ReactFiberContext.js
index ea8fdfd67f7ff..cdb066afcf59e 100644
--- a/packages/react-reconciler/src/ReactFiberContext.js
+++ b/packages/react-reconciler/src/ReactFiberContext.js
@@ -101,11 +101,6 @@ function getMaskedContext(
       context[key] = unmaskedContext[key];
     }
 
-    if (__DEV__) {
-      const name = getComponentNameFromFiber(workInProgress) || 'Unknown';
-      checkPropTypes(contextTypes, context, 'context', name);
-    }
-
     // Cache unmasked context so we can avoid recreating masked context unless necessary.
     // Context is created before the class component is instantiated so check for instance.
     if (instance) {
@@ -212,10 +207,6 @@ function processChildContext(
         );
       }
     }
-    if (__DEV__) {
-      const name = getComponentNameFromFiber(fiber) || 'Unknown';
-      checkPropTypes(childContextTypes, childContext, 'child context', name);
-    }
 
     return {...parentContext, ...childContext};
   }
diff --git a/packages/react/src/__tests__/ReactContextValidator-test.js b/packages/react/src/__tests__/ReactContextValidator-test.js
index c2c97e0c87a9d..148d658b98c5e 100644
--- a/packages/react/src/__tests__/ReactContextValidator-test.js
+++ b/packages/react/src/__tests__/ReactContextValidator-test.js
@@ -159,136 +159,6 @@ describe('ReactContextValidator', () => {
     expect(componentDidUpdateContext).toEqual({foo: 'def'});
   });
 
-  // @gate !disableLegacyContext || !__DEV__
-  it('should check context types', () => {
-    class Component extends React.Component {
-      render() {
-        return <div />;
-      }
-    }
-    Component.contextTypes = {
-      foo: PropTypes.string.isRequired,
-    };
-
-    expect(() => ReactTestUtils.renderIntoDocument(<Component />)).toErrorDev(
-      'Warning: Failed context type: ' +
-        'The context `foo` is marked as required in `Component`, but its value ' +
-        'is `undefined`.\n' +
-        '    in Component (at **)',
-    );
-
-    class ComponentInFooStringContext extends React.Component {
-      getChildContext() {
-        return {
-          foo: this.props.fooValue,
-        };
-      }
-
-      render() {
-        return <Component />;
-      }
-    }
-    ComponentInFooStringContext.childContextTypes = {
-      foo: PropTypes.string,
-    };
-
-    // No additional errors expected
-    ReactTestUtils.renderIntoDocument(
-      <ComponentInFooStringContext fooValue={'bar'} />,
-    );
-
-    class ComponentInFooNumberContext extends React.Component {
-      getChildContext() {
-        return {
-          foo: this.props.fooValue,
-        };
-      }
-
-      render() {
-        return <Component />;
-      }
-    }
-    ComponentInFooNumberContext.childContextTypes = {
-      foo: PropTypes.number,
-    };
-
-    expect(() =>
-      ReactTestUtils.renderIntoDocument(
-        <ComponentInFooNumberContext fooValue={123} />,
-      ),
-    ).toErrorDev(
-      'Warning: Failed context type: ' +
-        'Invalid context `foo` of type `number` supplied ' +
-        'to `Component`, expected `string`.\n' +
-        '    in Component (at **)\n' +
-        '    in ComponentInFooNumberContext (at **)',
-    );
-  });
-
-  // @gate !disableLegacyContext || !__DEV__
-  it('should check child context types', () => {
-    class Component extends React.Component {
-      getChildContext() {
-        return this.props.testContext;
-      }
-
-      render() {
-        return <div />;
-      }
-    }
-    Component.childContextTypes = {
-      foo: PropTypes.string.isRequired,
-      bar: PropTypes.number,
-    };
-
-    expect(() =>
-      ReactTestUtils.renderIntoDocument(<Component testContext={{bar: 123}} />),
-    ).toErrorDev(
-      'Warning: Failed child context type: ' +
-        'The child context `foo` is marked as required in `Component`, but its ' +
-        'value is `undefined`.\n' +
-        '    in Component (at **)',
-    );
-
-    expect(() =>
-      ReactTestUtils.renderIntoDocument(<Component testContext={{foo: 123}} />),
-    ).toErrorDev(
-      'Warning: Failed child context type: ' +
-        'Invalid child context `foo` of type `number` ' +
-        'supplied to `Component`, expected `string`.\n' +
-        '    in Component (at **)',
-    );
-
-    // No additional errors expected
-    ReactTestUtils.renderIntoDocument(
-      <Component testContext={{foo: 'foo', bar: 123}} />,
-    );
-
-    ReactTestUtils.renderIntoDocument(<Component testContext={{foo: 'foo'}} />);
-  });
-
-  it('warns of incorrect prop types on context provider', () => {
-    const TestContext = React.createContext();
-
-    TestContext.Provider.propTypes = {
-      value: PropTypes.string.isRequired,
-    };
-
-    ReactTestUtils.renderIntoDocument(<TestContext.Provider value="val" />);
-
-    class Component extends React.Component {
-      render() {
-        return <TestContext.Provider value={undefined} />;
-      }
-    }
-
-    expect(() => ReactTestUtils.renderIntoDocument(<Component />)).toErrorDev(
-      'Warning: Failed prop type: The prop `value` is marked as required in ' +
-        '`Context.Provider`, but its value is `undefined`.\n' +
-        '    in Component (at **)',
-    );
-  });
-
   // TODO (bvaughn) Remove this test and the associated behavior in the future.
   // It has only been added in Fiber to match the (unintentional) behavior in Stack.
   // @gate !disableLegacyContext || !__DEV__
@@ -371,8 +241,6 @@ describe('ReactContextValidator', () => {
       'Warning: MiddleMissingContext.childContextTypes is specified but there is no ' +
         'getChildContext() method on the instance. You can either define getChildContext() ' +
         'on MiddleMissingContext or remove childContextTypes from it.',
-      'Warning: Failed context type: The context `bar` is marked as required ' +
-        'in `ChildContextConsumer`, but its value is `undefined`.',
     ]);
     expect(childContext.bar).toBeUndefined();
     expect(childContext.foo).toBe('FOO');
@@ -699,24 +567,4 @@ describe('ReactContextValidator', () => {
       'Warning: ComponentB: Function components do not support contextType.',
     );
   });
-
-  it('should honor a displayName if set on the context type', () => {
-    const Context = React.createContext(null);
-    Context.displayName = 'MyContextType';
-    function Validator() {
-      return null;
-    }
-    Validator.propTypes = {dontPassToSeeErrorStack: PropTypes.bool.isRequired};
-
-    expect(() => {
-      ReactDOMServer.renderToStaticMarkup(
-        <Context.Provider>
-          <Context.Consumer>{() => <Validator />}</Context.Consumer>
-        </Context.Provider>,
-      );
-    }).toErrorDev(
-      'Warning: Failed prop type: The prop `dontPassToSeeErrorStack` is marked as required in `Validator`, but its value is `undefined`.\n' +
-        '    in Validator (at **)',
-    );
-  });
 });