diff --git a/src/isomorphic/classic/element/ReactElement.js b/src/isomorphic/classic/element/ReactElement.js
index c35293159e..379c81fc51 100644
--- a/src/isomorphic/classic/element/ReactElement.js
+++ b/src/isomorphic/classic/element/ReactElement.js
@@ -249,25 +249,6 @@ ReactElement.cloneAndReplaceKey = function(oldElement, newKey) {
   return newElement;
 };
 
-ReactElement.cloneAndReplaceProps = function(oldElement, newProps) {
-  var newElement = ReactElement(
-    oldElement.type,
-    oldElement.key,
-    oldElement.ref,
-    oldElement._self,
-    oldElement._source,
-    oldElement._owner,
-    newProps
-  );
-
-  if (__DEV__) {
-    // If the key on the original is valid, then the clone is valid
-    newElement._store.validated = oldElement._store.validated;
-  }
-
-  return newElement;
-};
-
 ReactElement.cloneElement = function(element, config, children) {
   var propName;
 
diff --git a/src/renderers/shared/reconciler/ReactUpdateQueue.js b/src/renderers/shared/reconciler/ReactUpdateQueue.js
index bd83661139..d2e7cadb28 100644
--- a/src/renderers/shared/reconciler/ReactUpdateQueue.js
+++ b/src/renderers/shared/reconciler/ReactUpdateQueue.js
@@ -12,11 +12,9 @@
 'use strict';
 
 var ReactCurrentOwner = require('ReactCurrentOwner');
-var ReactElement = require('ReactElement');
 var ReactInstanceMap = require('ReactInstanceMap');
 var ReactUpdates = require('ReactUpdates');
 
-var assign = require('Object.assign');
 var invariant = require('invariant');
 var warning = require('warning');
 
@@ -239,91 +237,6 @@ var ReactUpdateQueue = {
     enqueueUpdate(internalInstance);
   },
 
-  /**
-   * Sets a subset of the props.
-   *
-   * @param {ReactClass} publicInstance The instance that should rerender.
-   * @param {object} partialProps Subset of the next props.
-   * @internal
-   */
-  enqueueSetProps: function(publicInstance, partialProps) {
-    var internalInstance = getInternalInstanceReadyForUpdate(
-      publicInstance,
-      'setProps'
-    );
-    if (!internalInstance) {
-      return;
-    }
-    ReactUpdateQueue.enqueueSetPropsInternal(internalInstance, partialProps);
-  },
-
-  enqueueSetPropsInternal: function(internalInstance, partialProps) {
-    var topLevelWrapper = internalInstance._topLevelWrapper;
-    invariant(
-      topLevelWrapper,
-      'setProps(...): You called `setProps` on a ' +
-      'component with a parent. This is an anti-pattern since props will ' +
-      'get reactively updated when rendered. Instead, change the owner\'s ' +
-      '`render` method to pass the correct value as props to the component ' +
-      'where it is created.'
-    );
-
-    // Merge with the pending element if it exists, otherwise with existing
-    // element props.
-    var wrapElement = topLevelWrapper._pendingElement ||
-                      topLevelWrapper._currentElement;
-    var element = wrapElement.props;
-    var props = assign({}, element.props, partialProps);
-    topLevelWrapper._pendingElement = ReactElement.cloneAndReplaceProps(
-      wrapElement,
-      ReactElement.cloneAndReplaceProps(element, props)
-    );
-
-    enqueueUpdate(topLevelWrapper);
-  },
-
-  /**
-   * Replaces all of the props.
-   *
-   * @param {ReactClass} publicInstance The instance that should rerender.
-   * @param {object} props New props.
-   * @internal
-   */
-  enqueueReplaceProps: function(publicInstance, props) {
-    var internalInstance = getInternalInstanceReadyForUpdate(
-      publicInstance,
-      'replaceProps'
-    );
-    if (!internalInstance) {
-      return;
-    }
-    ReactUpdateQueue.enqueueReplacePropsInternal(internalInstance, props);
-  },
-
-  enqueueReplacePropsInternal: function(internalInstance, props) {
-    var topLevelWrapper = internalInstance._topLevelWrapper;
-    invariant(
-      topLevelWrapper,
-      'replaceProps(...): You called `replaceProps` on a ' +
-      'component with a parent. This is an anti-pattern since props will ' +
-      'get reactively updated when rendered. Instead, change the owner\'s ' +
-      '`render` method to pass the correct value as props to the component ' +
-      'where it is created.'
-    );
-
-    // Merge with the pending element if it exists, otherwise with existing
-    // element props.
-    var wrapElement = topLevelWrapper._pendingElement ||
-                      topLevelWrapper._currentElement;
-    var element = wrapElement.props;
-    topLevelWrapper._pendingElement = ReactElement.cloneAndReplaceProps(
-      wrapElement,
-      ReactElement.cloneAndReplaceProps(element, props)
-    );
-
-    enqueueUpdate(topLevelWrapper);
-  },
-
   enqueueElementInternal: function(internalInstance, newElement) {
     internalInstance._pendingElement = newElement;
     enqueueUpdate(internalInstance);