diff --git a/src/components/structures/ScrollPanel.js b/src/components/structures/ScrollPanel.js
index 7ae102eb4b..ba67468fbb 100644
--- a/src/components/structures/ScrollPanel.js
+++ b/src/components/structures/ScrollPanel.js
@@ -196,7 +196,6 @@ module.exports = React.createClass({
         this._scrollTimeout.restart();
         this._saveScrollState();
         this.updatePreventShrinking();
-        console.timeStamp("onScroll:" + JSON.stringify({st: this._getScrollNode().scrollTop, mh: this._getMessagesHeight(), lh: this._getListHeight()}));
         this.props.onScroll(ev);
         this.checkFillState();
     },
@@ -638,9 +637,8 @@ module.exports = React.createClass({
                 const bottomDiff = newBottomOffset - scrollState.bottomOffset;
                 this._bottomGrowth += bottomDiff;
                 scrollState.bottomOffset = newBottomOffset;
-                console.timeStamp("restoreSavedScrollState:" + JSON.stringify({bd: bottomDiff, lh: this._getListHeight()}));
                 itemlist.style.height = `${this._getListHeight()}px`;
-                debuglog("balancing height because messages below viewport grew by "+bottomDiff+"px");
+                debuglog("balancing height because messages below viewport grew by", bottomDiff);
             }
         }
         if (!this._heightUpdateInProgress) {
@@ -678,7 +676,6 @@ module.exports = React.createClass({
             itemlist.style.height = `${newHeight}px`;
             sn.scrollTop = sn.scrollHeight;
             debuglog("updateHeight to", newHeight);
-            console.timeStamp("updateHeight: to bottom");
         } else if (scrollState.trackedScrollToken) {
             const trackedNode = this._getTrackedNode();
             // if the timeline has been reloaded
@@ -698,7 +695,6 @@ module.exports = React.createClass({
                 const topDiff = newTop - oldTop;
                 sn.scrollTop = preexistingScrollTop + topDiff;
                 debuglog("updateHeight to", {newHeight, topDiff, preexistingScrollTop});
-                console.timeStamp("updateHeight:" + JSON.stringify({nh: newHeight, td: topDiff, st: preexistingScrollTop}));
             }
         }
     },