diff --git a/src/RichText.js b/src/RichText.js
index 7ffb4dd785..d867636dc9 100644
--- a/src/RichText.js
+++ b/src/RichText.js
@@ -223,42 +223,6 @@ export function selectionStateToTextOffsets(selectionState: SelectionState,
     };
 }
 
-export function textOffsetsToSelectionState({start, end}: SelectionRange,
-                                            contentBlocks: Array<ContentBlock>): SelectionState {
-    let selectionState = SelectionState.createEmpty();
-    // Subtract block lengths from `start` and `end` until they are less than the current
-    // block length (accounting for the NL at the end of each block). Set them to -1 to
-    // indicate that the corresponding selection state has been determined.
-    for (const block of contentBlocks) {
-        const blockLength = block.getLength();
-        // -1 indicating that the position start position has been found
-        if (start !== -1) {
-            if (start < blockLength + 1) {
-                selectionState = selectionState.merge({
-                    anchorKey: block.getKey(),
-                    anchorOffset: start,
-                });
-                start = -1; // selection state for the start calculated
-            } else {
-                start -= blockLength + 1; // +1 to account for newline between blocks
-            }
-        }
-        // -1 indicating that the position end position has been found
-        if (end !== -1) {
-            if (end < blockLength + 1) {
-                selectionState = selectionState.merge({
-                    focusKey: block.getKey(),
-                    focusOffset: end,
-                });
-                end = -1; // selection state for the end calculated
-            } else {
-                end -= blockLength + 1; // +1 to account for newline between blocks
-            }
-        }
-    }
-    return selectionState;
-}
-
 // modified version of https://github.com/draft-js-plugins/draft-js-plugins/blob/master/draft-js-emoji-plugin/src/modifiers/attachImmutableEntitiesToEmojis.js
 export function attachImmutableEntitiesToEmoji(editorState: EditorState): EditorState {
     const contentState = editorState.getCurrentContent();
diff --git a/src/components/views/rooms/MessageComposerInput.js b/src/components/views/rooms/MessageComposerInput.js
index 2a59ccbe7d..3e8d3cd868 100644
--- a/src/components/views/rooms/MessageComposerInput.js
+++ b/src/components/views/rooms/MessageComposerInput.js
@@ -494,14 +494,6 @@ export default class MessageComposerInput extends React.Component {
             if (this.props.onContentChanged) {
                 this.props.onContentChanged(textContent, selection);
             }
-
-            // Scroll to the bottom of the editor if the cursor is on the last line of the
-            // composer. For some reason the editor won't scroll automatically if we paste
-            // blocks of text in or insert newlines.
-            if (textContent.slice(selection.start).indexOf("\n") === -1) {
-                let editorRoot = this.refs.editor.refs.editor.parentNode.parentNode;
-                editorRoot.scrollTop = editorRoot.scrollHeight;
-            }
 */        
         });
     }
@@ -933,7 +925,7 @@ export default class MessageComposerInput extends React.Component {
             else {
                 const scrollCorrection =
                     editorNode.scrollHeight - editorNode.clientHeight - editorNode.scrollTop;
-                const distanceFromBottom = cursorRect.bottom - editorRect.bottom + scrollCorrection;
+                const distanceFromBottom = editorRect.bottom - cursorRect.bottom + scrollCorrection;
                 console.log(`Cursor distance from editor bottom is ${distanceFromBottom}`);
                 if (distanceFromBottom < EDGE_THRESHOLD) {
                     navigateHistory = true;
@@ -1082,28 +1074,6 @@ export default class MessageComposerInput extends React.Component {
 //            this.refs.editor.focus();
         });
 
-/*
-        let selection;
-        if (range) {
-            selection = RichText.textOffsetsToSelectionState(
-                range, contentState.getBlocksAsArray(),
-            );
-        } else {
-            selection = activeEditorState.getSelection();
-        }
-
-        contentState = Modifier.replaceText(contentState, selection, completion, null, entityKey);
-
-        // Move the selection to the end of the block
-        const afterSelection = contentState.getSelectionAfter();
-        if (suffix) {
-            contentState = Modifier.replaceText(contentState, afterSelection, suffix);
-        }
-
-        let editorState = EditorState.push(activeEditorState, contentState, 'insert-characters');
-        editorState = EditorState.forceSelection(editorState, contentState.getSelectionAfter());
-        this.setState({editorState, originalEditorState: activeEditorState});
-*/
         return true;
     };