diff --git a/src/components/views/rooms/MessageComposer.js b/src/components/views/rooms/MessageComposer.js
index c623c88312..6993fd8f7d 100644
--- a/src/components/views/rooms/MessageComposer.js
+++ b/src/components/views/rooms/MessageComposer.js
@@ -36,9 +36,6 @@ export default class MessageComposer extends React.Component {
         this.uploadFiles = this.uploadFiles.bind(this);
         this.onVoiceCallClick = this.onVoiceCallClick.bind(this);
         this.onInputContentChanged = this.onInputContentChanged.bind(this);
-        this.onUpArrow = this.onUpArrow.bind(this);
-        this.onDownArrow = this.onDownArrow.bind(this);
-        this._tryComplete = this._tryComplete.bind(this);
         this._onAutocompleteConfirm = this._onAutocompleteConfirm.bind(this);
         this.onToggleFormattingClicked = this.onToggleFormattingClicked.bind(this);
         this.onToggleMarkdownClicked = this.onToggleMarkdownClicked.bind(this);
@@ -349,7 +346,6 @@ export default class MessageComposer extends React.Component {
                     onResize={this.props.onResize}
                     room={this.props.room}
                     placeholder={placeholderText}
-                    tryComplete={this._tryComplete}
                     onFilesPasted={this.uploadFiles}
                     onContentChanged={this.onInputContentChanged}
                     onInputStateChanged={this.onInputStateChanged} />,
diff --git a/src/components/views/rooms/MessageComposerInput.js b/src/components/views/rooms/MessageComposerInput.js
index 6da7f272c4..cf6dfbb6b7 100644
--- a/src/components/views/rooms/MessageComposerInput.js
+++ b/src/components/views/rooms/MessageComposerInput.js
@@ -73,13 +73,6 @@ export default class MessageComposerInput extends React.Component {
         // called with current plaintext content (as a string) whenever it changes
         onContentChanged: React.PropTypes.func,
 
-        onUpArrow: React.PropTypes.func,
-
-        onDownArrow: React.PropTypes.func,
-
-        // attempts to confirm currently selected completion, returns whether actually confirmed
-        tryComplete: React.PropTypes.func,
-
         onInputStateChanged: React.PropTypes.func,
     };