diff --git a/share/qtcreator/debugger/dumper.py b/share/qtcreator/debugger/dumper.py
index 6dc8f01adcd..d363d88b1b7 100644
--- a/share/qtcreator/debugger/dumper.py
+++ b/share/qtcreator/debugger/dumper.py
@@ -1707,7 +1707,8 @@ class DumperBase:
 
         findDumperFunctions()
 
-    def addDumperModule(self, path):
+    def addDumperModule(self, args):
+        path = args['path']
         (head, tail) = os.path.split(path)
         sys.path.insert(1, head)
         self.dumpermodules.append(os.path.splitext(tail)[0])
diff --git a/share/qtcreator/debugger/gdbbridge.py b/share/qtcreator/debugger/gdbbridge.py
index 63cee8255eb..6df555bee23 100644
--- a/share/qtcreator/debugger/gdbbridge.py
+++ b/share/qtcreator/debugger/gdbbridge.py
@@ -1696,6 +1696,10 @@ class Dumper(DumperBase):
 
         self.qmlBreakpoints.append(Resolver(self, args))
 
+    def exitGdb(self, _):
+        if hasPlot:
+            matplotQuit()
+        gdb.execute("quit")
 
 
 class CliDumper(Dumper):
@@ -1860,17 +1864,6 @@ def threadnames(arg):
 
 registerCommand("threadnames", threadnames)
 
-#######################################################################
-#
-# Reload Command
-#
-#######################################################################
-
-def reloadDumper(_):
-    theDumper.reloadDumper();
-
-registerCommand("reload", reloadDumper)
-
 #######################################################################
 #
 # StackFrames Command
@@ -1891,25 +1884,6 @@ def stackListFrames(arg):
 
 registerCommand("stackListFrames", stackListFrames)
 
-#######################################################################
-#
-# AddExtraDumpers Command
-#
-#######################################################################
-
-def addExtraDumper(args):
-    theDumper.addDumperModule(args)
-
-registerCommand("addExtraDumper", addExtraDumper)
-
-def exitGdb(arg):
-    if hasPlot:
-        matplotQuit()
-    gdb.execute("quit")
-    return ""
-
-registerCommand("exitGdb", exitGdb)
-
 #######################################################################
 #
 # Native Mixed
diff --git a/share/qtcreator/debugger/lldbbridge.py b/share/qtcreator/debugger/lldbbridge.py
index 0ad3ce43aba..80c34a50c73 100644
--- a/share/qtcreator/debugger/lldbbridge.py
+++ b/share/qtcreator/debugger/lldbbridge.py
@@ -1633,10 +1633,6 @@ class Dumper(DumperBase):
         error = str(result.GetError())
         self.report('success="%d",output="%s",error="%s"' % (success, output, error))
 
-    def addExtraDumper(self, args):
-        self.addDumperModule(args['path'])
-        self.report('ok')
-
     def updateData(self, args):
         if 'expanded' in args:
             self.expandedINames = set(args['expanded'].split(','))
diff --git a/src/plugins/debugger/gdb/gdbengine.cpp b/src/plugins/debugger/gdb/gdbengine.cpp
index 8fefd3d9c6b..8a81b49c729 100644
--- a/src/plugins/debugger/gdb/gdbengine.cpp
+++ b/src/plugins/debugger/gdb/gdbengine.cpp
@@ -1884,11 +1884,15 @@ void GdbEngine::notifyAdapterShutdownOk()
         .arg(lastGoodState()).arg(m_gdbProc->state()));
     m_commandsDoneCallback = 0;
     switch (m_gdbProc->state()) {
-    case QProcess::Running:
+    case QProcess::Running: {
         if (startParameters().closeMode == KillAndExitMonitorAtClose)
             postCommand("monitor exit");
-        postCommand("exitGdb", GdbEngine::ExitRequest, CB(handleGdbExit));
+        DebuggerCommand cmd("exitGdb");
+        cmd.flags = GdbEngine::ExitRequest;
+        cmd.callback = CB(handleGdbExit);
+        runCommand(cmd);
         break;
+    }
     case QProcess::NotRunning:
         // Cannot find executable.
         notifyEngineShutdownOk();
@@ -4287,8 +4291,11 @@ void GdbEngine::startGdb(const QStringList &args)
     postCommand("python from gdbbridge import *", flags);
 
     const QString path = stringSetting(ExtraDumperFile);
-    if (!path.isEmpty())
-        postCommand("python addExtraDumper('" + path.toUtf8() + "')", flags);
+    if (!path.isEmpty()) {
+        DebuggerCommand cmd("addDumperModule");
+        cmd.arg("path", path.toUtf8());
+        runCommand(cmd);
+    }
 
     const QString commands = stringSetting(ExtraDumperCommands);
     if (!commands.isEmpty())
@@ -4324,7 +4331,7 @@ void GdbEngine::loadInitScript()
 
 void GdbEngine::reloadDebuggingHelpers()
 {
-    postCommand("reload");
+    runCommand("reloadDumper");
     reloadLocals();
 }
 
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 545928b500e..903b0bea20e 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -285,7 +285,7 @@ void LldbEngine::setupInferior()
 
     const QString path = stringSetting(ExtraDumperFile);
     if (!path.isEmpty()) {
-        DebuggerCommand cmd("addExtraDumper");
+        DebuggerCommand cmd("addDumperModule");
         cmd.arg("path", path.toUtf8());
         runCommand(cmd);
     }