diff --git a/services/common/tests/unit/test_utils_stackTrace.js b/services/common/tests/unit/test_utils_stackTrace.js
deleted file mode 100644
index 6c71d07535d2..000000000000
--- a/services/common/tests/unit/test_utils_stackTrace.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-_("Define some functions in well defined line positions for the test");
-function foo(v) { return bar(v + 1); } // line 2
-function bar(v) { return baz(v + 1); } // line 3
-function baz(v) { throw new Error(v + 1); } // line 4
-
-_("Make sure lazy constructor calling/assignment works");
-Cu.import("resource://services-common/utils.js");
-
-function run_test() {
-  _("Make sure functions, arguments, files are pretty printed in the trace");
-  let trace = "";
-  try {
-    foo(0);
-  }
-  catch(ex) {
-    trace = CommonUtils.stackTrace(ex);
-  }
-  _("Got trace:", trace);
-  do_check_neq(trace, "");
-
-  let bazPos = trace.indexOf("baz@test_utils_stackTrace.js:7");
-  let barPos = trace.indexOf("bar@test_utils_stackTrace.js:6");
-  let fooPos = trace.indexOf("foo@test_utils_stackTrace.js:5");
-  _("String positions:", bazPos, barPos, fooPos);
-
-  _("Make sure the desired messages show up");
-  do_check_true(bazPos >= 0);
-  do_check_true(barPos > bazPos);
-  do_check_true(fooPos > barPos);
-}
diff --git a/services/common/tests/unit/xpcshell.ini b/services/common/tests/unit/xpcshell.ini
index c817e7dd6637..2cdbe79be36c 100644
--- a/services/common/tests/unit/xpcshell.ini
+++ b/services/common/tests/unit/xpcshell.ini
@@ -23,7 +23,6 @@ support-files =
 [test_utils_makeURI.js]
 [test_utils_namedTimer.js]
 [test_utils_sets.js]
-[test_utils_stackTrace.js]
 [test_utils_utf8.js]
 [test_utils_uuid.js]
 
diff --git a/services/common/utils.js b/services/common/utils.js
index 68418c5f8c4e..f0f57d14afb6 100644
--- a/services/common/utils.js
+++ b/services/common/utils.js
@@ -69,9 +69,6 @@ this.CommonUtils = {
     return true;
   },
 
-  // Import these from Log.jsm for backward compatibility
-  stackTrace: Log.stackTrace,
-
   /**
    * Encode byte string as base64URL (RFC 4648).
    *
diff --git a/services/sync/modules/util.js b/services/sync/modules/util.js
index 5c16e45efa8b..f2604bab62fc 100644
--- a/services/sync/modules/util.js
+++ b/services/sync/modules/util.js
@@ -35,7 +35,6 @@ this.Utils = {
   // In the ideal world, references to these would be removed.
   nextTick: CommonUtils.nextTick,
   namedTimer: CommonUtils.namedTimer,
-  stackTrace: CommonUtils.stackTrace,
   makeURI: CommonUtils.makeURI,
   encodeUTF8: CommonUtils.encodeUTF8,
   decodeUTF8: CommonUtils.decodeUTF8,
diff --git a/services/sync/tps/extensions/tps/resource/tps.jsm b/services/sync/tps/extensions/tps/resource/tps.jsm
index 4644c51ccbe1..02b304b675b4 100644
--- a/services/sync/tps/extensions/tps/resource/tps.jsm
+++ b/services/sync/tps/extensions/tps/resource/tps.jsm
@@ -142,7 +142,7 @@ var TPS = {
       errInfo = Log.exceptionStr(exc); // includes details and stack-trace.
     } else {
       // always write a stack even if no error passed.
-      errInfo = Utils.stackTrace(new Error());
+      errInfo = Log.stackTrace(new Error());
     }
     Logger.logError(`[phase ${this._currentPhase}] ${msg} - ${errInfo}`);
     this.quit();
diff --git a/toolkit/modules/tests/xpcshell/test_Log_stackTrace.js b/toolkit/modules/tests/xpcshell/test_Log_stackTrace.js
new file mode 100644
index 000000000000..f6aac6decd23
--- /dev/null
+++ b/toolkit/modules/tests/xpcshell/test_Log_stackTrace.js
@@ -0,0 +1,30 @@
+print("Define some functions in well defined line positions for the test");
+function foo(v) { return bar(v + 1); } // line 2
+function bar(v) { return baz(v + 1); } // line 3
+function baz(v) { throw new Error(v + 1); } // line 4
+
+print("Make sure lazy constructor calling/assignment works");
+Components.utils.import("resource://gre/modules/Log.jsm");
+
+function run_test() {
+  print("Make sure functions, arguments, files are pretty printed in the trace");
+  let trace = "";
+  try {
+    foo(0);
+  }
+  catch(ex) {
+    trace = Log.stackTrace(ex);
+  }
+  print(`Got trace: ${trace}`);
+  do_check_neq(trace, "");
+
+  let bazPos = trace.indexOf("baz@test_Log_stackTrace.js:4");
+  let barPos = trace.indexOf("bar@test_Log_stackTrace.js:3");
+  let fooPos = trace.indexOf("foo@test_Log_stackTrace.js:2");
+  print(`String positions: ${bazPos} ${barPos} ${fooPos}`);
+
+  print("Make sure the desired messages show up");
+  do_check_true(bazPos >= 0);
+  do_check_true(barPos > bazPos);
+  do_check_true(fooPos > barPos);
+}
diff --git a/toolkit/modules/tests/xpcshell/xpcshell.ini b/toolkit/modules/tests/xpcshell/xpcshell.ini
index f4bf5d872ce3..66832dbbbeb5 100644
--- a/toolkit/modules/tests/xpcshell/xpcshell.ini
+++ b/toolkit/modules/tests/xpcshell/xpcshell.ini
@@ -61,3 +61,4 @@ skip-if = toolkit == 'android'
 [test_web_channel_broker.js]
 [test_ZipUtils.js]
 skip-if = toolkit == 'android'
+[test_Log_stackTrace.js]