diff --git a/toolkit/content/aboutTelemetry.css b/toolkit/content/aboutTelemetry.css
index 6acf82c201fb..39ade6486080 100644
--- a/toolkit/content/aboutTelemetry.css
+++ b/toolkit/content/aboutTelemetry.css
@@ -229,14 +229,6 @@ body[dir="rtl"] .copy-node {
   display: inline;
 }
 
-.processes-ui {
-  display: none;
-}
-
-.has-data.expanded .processes-ui {
-  display: initial;
-}
-
 .filter-blocked {
   display: none;
 }
@@ -265,7 +257,3 @@ body[dir="rtl"] .copy-node {
   font-size: larger;
   margin: 5px 0;
 }
-
-.process-picker {
-  margin: 0 0.5em;
-}
diff --git a/toolkit/content/aboutTelemetry.js b/toolkit/content/aboutTelemetry.js
index dd636990d48c..13aa26e382a3 100644
--- a/toolkit/content/aboutTelemetry.js
+++ b/toolkit/content/aboutTelemetry.js
@@ -306,10 +306,6 @@ var PingPicker = {
             .addEventListener("click", () => this._movePingIndex(1), false);
     document.getElementById("choose-payload")
             .addEventListener("change", () => displayPingData(gPingData), false);
-    document.getElementById("histograms-processes")
-            .addEventListener("change", () => displayPingData(gPingData), false);
-    document.getElementById("keyed-histograms-processes")
-            .addEventListener("change", () => displayPingData(gPingData), false);
   },
 
   onPingSourceChanged: function() {
@@ -1786,33 +1782,6 @@ function sortStartupMilestones(aSimpleMeasurements) {
   return result;
 }
 
-function renderProcessList(ping, selectEl) {
-  removeAllChildNodes(selectEl);
-  let option = document.createElement("option");
-  option.appendChild(document.createTextNode("parent"));
-  option.setAttribute("value", "");
-  option.selected = true;
-  selectEl.appendChild(option);
-
-  if (!("processes" in ping.payload)) {
-    selectEl.disabled = true;
-    return;
-  }
-  selectEl.disabled = false;
-
-  for (let process of Object.keys(ping.payload.processes)) {
-    // TODO: parent hgrams are on root payload, not in payload.processes.parent
-    // When/If that gets moved, you'll need to remove this:
-    if (process === "parent") {
-      continue;
-    }
-    option = document.createElement("option");
-    option.appendChild(document.createTextNode(process));
-    option.setAttribute("value", process);
-    selectEl.appendChild(option);
-  }
-}
-
 function renderPayloadList(ping) {
   // Rebuild the payload select with options:
   //   Parent Payload (selected)
@@ -1881,11 +1850,9 @@ function displayPingData(ping, updatePayloadList = false) {
   const keysHeader = bundle.GetStringFromName("keysHeader");
   const valuesHeader = bundle.GetStringFromName("valuesHeader");
 
-  // Update the payload list and process lists
+  // Update the payload list
   if (updatePayloadList) {
     renderPayloadList(ping);
-    renderProcessList(ping, document.getElementById("histograms-processes"));
-    renderProcessList(ping, document.getElementById("keyed-histograms-processes"));
   }
 
   // Show general data.
@@ -1962,18 +1929,8 @@ function displayPingData(ping, updatePayloadList = false) {
   removeAllChildNodes(hgramDiv);
 
   let histograms = payload.histograms;
-
-  let hgramsSelect = document.getElementById("histograms-processes");
-  let hgramsOption = hgramsSelect.selectedOptions.item(0);
-  let hgramsProcess = hgramsOption.getAttribute("value");
-  if (hgramsProcess &&
-      "processes" in ping.payload &&
-      hgramsProcess in ping.payload.processes) {
-    histograms = ping.payload.processes[hgramsProcess].histograms;
-  }
-
   hasData = Object.keys(histograms).length > 0;
-  setHasData("histograms-section", hasData || hgramsSelect.options.length);
+  setHasData("histograms-section", hasData);
 
   if (hasData) {
     for (let [name, hgram] of Object.entries(histograms)) {
@@ -1993,18 +1950,8 @@ function displayPingData(ping, updatePayloadList = false) {
   let keyedDiv = document.getElementById("keyed-histograms");
   removeAllChildNodes(keyedDiv);
 
+  setHasData("keyed-histograms-section", false);
   let keyedHistograms = payload.keyedHistograms;
-
-  let keyedHgramsSelect = document.getElementById("keyed-histograms-processes");
-  let keyedHgramsOption = keyedHgramsSelect.selectedOptions.item(0);
-  let keyedHgramsProcess = keyedHgramsOption.getAttribute("value");
-  if (keyedHgramsProcess &&
-      "processes" in ping.payload &&
-      keyedHgramsProcess in ping.payload.processes) {
-    keyedHistograms = ping.payload.processes[keyedHgramsProcess].keyedHistograms;
-  }
-
-  setHasData("keyed-histograms-section", keyedHgramsSelect.options.length);
   if (keyedHistograms) {
     let hasData = false;
     for (let [id, keyed] of Object.entries(keyedHistograms)) {
@@ -2013,7 +1960,7 @@ function displayPingData(ping, updatePayloadList = false) {
         KeyedHistogram.render(keyedDiv, id, keyed, {unpacked: true});
       }
     }
-    setHasData("keyed-histograms-section", hasData || keyedHgramsSelect.options.length);
+    setHasData("keyed-histograms-section", hasData);
   }
 
   // Show addon histogram data
diff --git a/toolkit/content/aboutTelemetry.xhtml b/toolkit/content/aboutTelemetry.xhtml
index 8049e3057812..b6d1a80300ad 100644
--- a/toolkit/content/aboutTelemetry.xhtml
+++ b/toolkit/content/aboutTelemetry.xhtml
@@ -152,9 +152,6 @@
         <span class="filter-ui">
           &aboutTelemetry.filterText; <input type="text" class="filter" id="histograms-filter" target_id="histograms"/>
         </span>
-        <div class="processes-ui">
-          <select id="histograms-processes" class="process-picker"></select>
-        </div>
         <div id="histograms" class="data">
         </div>
       </section>
@@ -164,9 +161,6 @@
         <h1 class="section-name">&aboutTelemetry.keyedHistogramsSection;</h1>
         <span class="toggle-caption">&aboutTelemetry.toggle;</span>
         <span class="empty-caption">&aboutTelemetry.emptySection;</span>
-        <div class="processes-ui">
-          <select id="keyed-histograms-processes" class="process-picker"></select>
-        </div>
         <div id="keyed-histograms" class="data">
         </div>
       </section>