diff --git a/browser/devtools/performance/test/browser_profiler_tree-view-04.js b/browser/devtools/performance/test/browser_profiler_tree-view-04.js
index 3feadcdcc073..0f1a916fe6c4 100644
--- a/browser/devtools/performance/test/browser_profiler_tree-view-04.js
+++ b/browser/devtools/performance/test/browser_profiler_tree-view-04.js
@@ -24,8 +24,6 @@ function test() {
     "The root node's 'category' attribute is correct.");
   is(treeRoot.target.getAttribute("tooltiptext"), "",
     "The root node's 'tooltiptext' attribute is correct.");
-  ok(treeRoot.target.querySelector(".call-tree-zoom").hidden,
-    "The root node's zoom button cell should be hidden.");
   ok(treeRoot.target.querySelector(".call-tree-category").hidden,
     "The root node's category label cell should be hidden.");
 
@@ -39,8 +37,6 @@ function test() {
     "The .A.B.D node's 'category' attribute is correct.");
   is(D.target.getAttribute("tooltiptext"), "D (http://foo/bar/baz:78)",
     "The .A.B.D node's 'tooltiptext' attribute is correct.");
-  ok(!A.target.querySelector(".call-tree-zoom").hidden,
-    "The .A.B.D node's zoom button cell should not be hidden.");
   ok(!A.target.querySelector(".call-tree-category").hidden,
     "The .A.B.D node's category label cell should not be hidden.");
 
@@ -61,7 +57,7 @@ function test() {
 
   let functionCell = D.target.childNodes[5];
 
-  is(functionCell.childNodes.length, 9,
+  is(functionCell.childNodes.length, 8,
     "The number of columns displayed for function cells is correct.");
   is(functionCell.childNodes[0].className, "arrow theme-twisty",
     "The first node displayed for function cells is correct.");
@@ -75,11 +71,9 @@ function test() {
     "The fifth node displayed for function cells is correct.");
   is(functionCell.childNodes[5].className, "plain call-tree-host",
     "The fifth node displayed for function cells is correct.");
-  is(functionCell.childNodes[6].className, "plain call-tree-zoom",
-    "The sixth node displayed for function cells is correct.");
-  is(functionCell.childNodes[7].tagName, "spacer",
+  is(functionCell.childNodes[6].tagName, "spacer",
     "The seventh node displayed for function cells is correct.");
-  is(functionCell.childNodes[8].className, "plain call-tree-category",
+  is(functionCell.childNodes[7].className, "plain call-tree-category",
     "The eight node displayed for function cells is correct.");
 
   finish();
diff --git a/browser/devtools/performance/test/browser_profiler_tree-view-06.js b/browser/devtools/performance/test/browser_profiler_tree-view-06.js
index d787600d1337..1b747b5c6b5d 100644
--- a/browser/devtools/performance/test/browser_profiler_tree-view-06.js
+++ b/browser/devtools/performance/test/browser_profiler_tree-view-06.js
@@ -26,11 +26,6 @@ function spawnTest () {
   let eventItem = yield receivedLinkEvent;
   is(eventItem, D, "The 'link' event target is correct.");
 
-  let receivedZoomEvent = treeRoot.once("zoom");
-  EventUtils.sendMouseEvent({ type: "mousedown" }, D.target.querySelector(".call-tree-zoom"));
-
-  eventItem = yield receivedZoomEvent;
-  is(eventItem, D, "The 'zoom' event target is correct.");
   finish();
 }
 
diff --git a/browser/devtools/shared/profiler/tree-view.js b/browser/devtools/shared/profiler/tree-view.js
index eb67806f25dd..df52a292b11e 100644
--- a/browser/devtools/shared/profiler/tree-view.js
+++ b/browser/devtools/shared/profiler/tree-view.js
@@ -16,7 +16,6 @@ loader.lazyImporter(this, "AbstractTreeItem",
 const MILLISECOND_UNITS = L10N.getStr("table.ms");
 const PERCENTAGE_UNITS = L10N.getStr("table.percentage");
 const URL_LABEL_TOOLTIP = L10N.getStr("table.url.tooltiptext");
-const ZOOM_BUTTON_TOOLTIP = L10N.getStr("table.zoom.tooltiptext");
 const CALL_TREE_INDENTATION = 16; // px
 
 const DEFAULT_SORTING_PREDICATE = (a, b) => a.frame.samples < b.frame.samples ? 1 : -1;
@@ -107,7 +106,6 @@ function CallView({
   this.inverted = inverted;
 
   this._onUrlClick = this._onUrlClick.bind(this);
-  this._onZoomClick = this._onZoomClick.bind(this);
 };
 
 CallView.prototype = Heritage.extend(AbstractTreeItem.prototype, {
@@ -195,7 +193,6 @@ CallView.prototype = Heritage.extend(AbstractTreeItem.prototype, {
 
     let isRoot = frameInfo.nodeType == "Thread";
     if (isRoot) {
-      functionCell.querySelector(".call-tree-zoom").hidden = true;
       functionCell.querySelector(".call-tree-category").hidden = true;
     }
 
@@ -341,12 +338,6 @@ CallView.prototype = Heritage.extend(AbstractTreeItem.prototype, {
       hostNode.setAttribute("value", frameInfo.hostName || "");
       cell.appendChild(hostNode);
 
-      let zoomNode = this.document.createElement("button");
-      zoomNode.className = "plain call-tree-zoom";
-      zoomNode.setAttribute("tooltiptext", ZOOM_BUTTON_TOOLTIP);
-      zoomNode.addEventListener("mousedown", this._onZoomClick);
-      cell.appendChild(zoomNode);
-
       let spacerNode = this.document.createElement("spacer");
       spacerNode.setAttribute("flex", "10000");
       cell.appendChild(spacerNode);
@@ -385,14 +376,5 @@ CallView.prototype = Heritage.extend(AbstractTreeItem.prototype, {
     e.preventDefault();
     e.stopPropagation();
     this.root.emit("link", this);
-  },
-
-  /**
-   * Handler for the "click" event on the zoom node of this call view.
-   */
-  _onZoomClick: function(e) {
-    e.preventDefault();
-    e.stopPropagation();
-    this.root.emit("zoom", this);
   }
 });