diff --git a/src/component/base/DraftEditor.react.js b/src/component/base/DraftEditor.react.js
index 7b6085ba09..599e4b3fbb 100644
--- a/src/component/base/DraftEditor.react.js
+++ b/src/component/base/DraftEditor.react.js
@@ -66,10 +66,7 @@ type State = {
  * div, and provides a wide variety of useful function props for managing the
  * state of the editor. See `DraftEditorProps` for details.
  */
-class DraftEditor extends React.Component {
-  props: DraftEditorProps;
-  state: State;
-
+class DraftEditor extends React.Component<DraftEditorProps, State> {
   static defaultProps: DraftEditorDefaultProps = {
     blockRenderMap: DefaultDraftBlockRenderMap,
     blockRendererFn: emptyFunction.thatReturnsNull,
@@ -213,7 +210,7 @@ class DraftEditor extends React.Component {
     return null;
   }
 
-  render(): React.Element<any> {
+  render(): React.Node {
     const {readOnly, textAlignment} = this.props;
     const rootClass = cx({
       'DraftEditor/root': true,
diff --git a/src/component/handlers/edit/editOnBlur.js b/src/component/handlers/edit/editOnBlur.js
index 616a41ddc4..5429e9976d 100644
--- a/src/component/handlers/edit/editOnBlur.js
+++ b/src/component/handlers/edit/editOnBlur.js
@@ -19,7 +19,7 @@ const EditorState = require('EditorState');
 const containsNode = require('containsNode');
 const getActiveElement = require('getActiveElement');
 
-function editOnBlur(editor: DraftEditor, e: SyntheticEvent): void {
+function editOnBlur(editor: DraftEditor, e: SyntheticEvent<>): void {
   // In a contentEditable element, when you select a range and then click
   // another active element, this does trigger a `blur` event but will not
   // remove the DOM selection from the contenteditable.
diff --git a/src/component/utils/isSoftNewlineEvent.js b/src/component/utils/isSoftNewlineEvent.js
index 1ef6692da1..837217e46e 100644
--- a/src/component/utils/isSoftNewlineEvent.js
+++ b/src/component/utils/isSoftNewlineEvent.js
@@ -15,7 +15,7 @@
 
 var Keys = require('Keys');
 
-function isSoftNewlineEvent(e: SyntheticKeyboardEvent): boolean {
+function isSoftNewlineEvent(e: SyntheticKeyboardEvent<>): boolean {
   return e.which === Keys.RETURN && (
     e.getModifierState('Shift') ||
     e.getModifierState('Alt') ||