diff --git a/devtools/client/netmonitor/test/browser.ini b/devtools/client/netmonitor/test/browser.ini
index ccdf13820e88..ad8b6cdcb37c 100644
--- a/devtools/client/netmonitor/test/browser.ini
+++ b/devtools/client/netmonitor/test/browser.ini
@@ -112,7 +112,6 @@ skip-if = (os == 'linux' && debug && bits == 32) # Bug 1303439
 [browser_net_filter-02.js]
 [browser_net_filter-03.js]
 [browser_net_filter-04.js]
-[browser_net_filter-autocomplete.js]
 [browser_net_filter-flags.js]
 [browser_net_footer-summary.js]
 [browser_net_icon-preview.js]
diff --git a/devtools/client/netmonitor/test/browser_net_filter-autocomplete.js b/devtools/client/netmonitor/test/browser_net_filter-autocomplete.js
deleted file mode 100644
index 55492e8b84e5..000000000000
--- a/devtools/client/netmonitor/test/browser_net_filter-autocomplete.js
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
-   http://creativecommons.org/publicdomain/zero/1.0/ */
-
-"use strict";
-
-function testAutocompleteContents(expected, document) {
-  expected.forEach(function (item, i) {
-    is(
-      document
-        .querySelector(`.devtools-autocomplete-listbox .autocomplete-item:nth-child(${i + 1})`)
-        .textContent,
-      item,
-      `${expected[i]} found`
-    );
-  });
-}
-
-add_task(async function () {
-  let { monitor } = await initNetMonitor(FILTERING_URL);
-  let { document, window } = monitor.panelWin;
-
-  info("Starting test... ");
-
-  EventUtils.synthesizeMouseAtCenter(
-    document.querySelector(".devtools-filterinput"), {}, window);
-  // Empty Mouse click should keep autocomplete hidden
-  ok(!document.querySelector(".devtools-autocomplete-popup"),
-    "Autocomplete Popup Created");
-
-  // Typing a char should invoke a autocomplete
-  EventUtils.synthesizeKey("s", {});
-  ok(document.querySelector(".devtools-autocomplete-popup"),
-    "Autocomplete Popup Created");
-  testAutocompleteContents([
-    "scheme:",
-    "set-cookie-domain:",
-    "set-cookie-name:",
-    "set-cookie-value:",
-    "size:",
-    "status-code:",
-  ], document);
-
-  EventUtils.synthesizeKey("c", {});
-  testAutocompleteContents(["scheme:"], document);
-  EventUtils.synthesizeKey("VK_TAB", {});
-  // Tab selection should hide autocomplete
-  ok(!document.querySelector(".devtools-autocomplete-popup"),
-    "Autocomplete Popup Hidden");
-  is(document.querySelector(".devtools-filterinput").value,
-    "scheme:", "Value correctly set after TAB");
-
-  // Space separated tokens
-  EventUtils.synthesizeKey("https ", {});
-  // Adding just a space should keep popup hidden
-  ok(!document.querySelector(".devtools-autocomplete-popup"),
-    "Autocomplete Popup still hidden");
-
-  // The last token where autocomplete is availabe shall generate the popup
-  EventUtils.synthesizeKey("p", {});
-  testAutocompleteContents(["protocol:"], document);
-
-  // The new value of the text box should be previousTokens + latest value selected
-  EventUtils.synthesizeKey("VK_RETURN", {});
-  is(document.querySelector(".devtools-filterinput").value,
-    "scheme:https protocol:", "Tokenized click generates correct value in input box");
-
-  // The negative filter flags
-  EventUtils.synthesizeKey(" -", {});
-  testAutocompleteContents([
-    "-cause:",
-    "-domain:",
-    "-has-response-header:",
-    "-is:",
-    "-larger-than:",
-    "-method:",
-    "-mime-type:",
-    "-protocol:",
-    "-regexp:",
-    "-remote-ip:",
-    "-scheme:",
-    "-set-cookie-domain:",
-    "-set-cookie-name:",
-    "-set-cookie-value:",
-    "-size:",
-    "-status-code:",
-    "-transferred-larger-than:",
-    "-transferred:",
-  ], document);
-
-  await teardown(monitor);
-});