diff --git a/tests/system/shared/workarounds.py b/tests/system/shared/workarounds.py
index cea2ced11aa..29ec1e281f6 100644
--- a/tests/system/shared/workarounds.py
+++ b/tests/system/shared/workarounds.py
@@ -261,7 +261,6 @@ class JIRA:
         def __initBugDict__(self):
             self.__bugs__= {
                             'QTCREATORBUG-6853':self._workaroundCreator6853_,
-                            'QTCREATORBUG-15456':self._workaroundCreator15456_,
                             }
         # helper function - will be called if no workaround for the requested bug is deposited
         def _exitFatal_(self, bugType, number):
@@ -272,13 +271,3 @@ class JIRA:
         def _workaroundCreator6853_(self, *args):
             if "Release" in args[0] and platform.system() == "Linux":
                 snooze(2)
-
-        def _workaroundCreator15456_(self, *args):
-            isMsvc = args[0]
-            isQt5 = args[1]
-            config = args[2]
-            if isMsvc and isQt5 and config != "Release":
-                unexpectedExitMessage = ("{type='QMessageBox' unnamed='1' visible='1' "
-                                         "windowTitle='Unexpected CDB Exit'}")
-                clickButton(waitForObject("{text='OK' type='QPushButton' unnamed='1' "
-                                          "visible='1' window=%s}" % unexpectedExitMessage))
diff --git a/tests/system/suite_debugger/tst_cli_output_console/test.py b/tests/system/suite_debugger/tst_cli_output_console/test.py
index 8873369c4ef..a3886cd0757 100644
--- a/tests/system/suite_debugger/tst_cli_output_console/test.py
+++ b/tests/system/suite_debugger/tst_cli_output_console/test.py
@@ -95,8 +95,6 @@ def main():
         invokeMenuItem("Debug", "Start Debugging", "Start Debugging")
         JIRA.performWorkaroundForBug(6853, JIRA.Bug.CREATOR, config)
         handleDebuggerWarnings(config, isMsvc)
-        JIRA.performWorkaroundForBug(15456, JIRA.Bug.CREATOR, isMsvc,
-                                     checkedTargets[kit] & ~Targets.qt4Classes(), config)
         ensureChecked(":Qt Creator_AppOutput_Core::Internal::OutputPaneToggleButton")
         outputWindow = waitForObject(":Qt Creator_Core::OutputWindow")
         waitFor("'Debugging has finished' in str(outputWindow.plainText)", 20000)