diff --git a/src/plugins/debugger/debuggerconstants.h b/src/plugins/debugger/debuggerconstants.h
index 99b4317fc57..cbe78109db2 100644
--- a/src/plugins/debugger/debuggerconstants.h
+++ b/src/plugins/debugger/debuggerconstants.h
@@ -118,7 +118,6 @@ enum DebuggerState
 
     EngineRunRequested,
     EngineRunFailed,
-    EngineRunOk,
 
     InferiorUnrunnable,        // Used in the core dump adapter
 
diff --git a/src/plugins/debugger/debuggerengine.cpp b/src/plugins/debugger/debuggerengine.cpp
index e0b871ca26a..b7b13e0e5c5 100644
--- a/src/plugins/debugger/debuggerengine.cpp
+++ b/src/plugins/debugger/debuggerengine.cpp
@@ -331,7 +331,6 @@ const char *DebuggerEngine::stateName(int s)
         SN(EngineSetupOk)
         SN(EngineSetupFailed)
         SN(EngineRunFailed)
-        SN(EngineRunOk)
         SN(InferiorSetupRequested)
         SN(InferiorSetupFailed)
         SN(InferiorSetupOk)
@@ -704,12 +703,12 @@ static bool isAllowedTransition(DebuggerState from, DebuggerState to)
         return to == EngineRunRequested;
 
     case EngineRunRequested:
-        return to == EngineRunOk || EngineRunFailed;
+        return to == EngineRunFailed
+            || to == InferiorRunOk
+            || to == InferiorStopOk
+            || to == InferiorUnrunnable;
     case EngineRunFailed:
         return to == EngineShutdownRequested;
-    case EngineRunOk:
-        return InferiorRunOk || to == InferiorStopOk
-            || to == InferiorUnrunnable;
 
     case InferiorRunRequested:
         return to == InferiorRunOk || to == InferiorRunFailed;
@@ -864,9 +863,7 @@ void DebuggerEngine::notifyEngineRunAndInferiorRunOk()
     d->m_progress.setProgressValue(1000);
     d->m_progress.reportFinished();
     QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
-    setState(EngineRunOk);
-    if (isMasterEngine())
-        setState(InferiorRunOk);
+    setState(InferiorRunOk);
 }
 
 void DebuggerEngine::notifyEngineRunAndInferiorStopOk()
@@ -875,9 +872,7 @@ void DebuggerEngine::notifyEngineRunAndInferiorStopOk()
     d->m_progress.setProgressValue(1000);
     d->m_progress.reportFinished();
     QTC_ASSERT(state() == EngineRunRequested, qDebug() << this << state());
-    setState(EngineRunOk);
-    if (isMasterEngine())
-        setState(InferiorStopOk);
+    setState(InferiorStopOk);
 }
 
 void DebuggerEngine::notifyInferiorRunRequested()
@@ -1193,7 +1188,6 @@ bool DebuggerEngine::debuggerActionsEnabled(DebuggerState state)
     case EngineSetupFailed:
     case EngineRunRequested:
     case EngineRunFailed:
-    case EngineRunOk:
     case InferiorSetupFailed:
     case InferiorStopFailed:
     case InferiorStopSpontaneous:
diff --git a/src/plugins/debugger/debuggerplugin.cpp b/src/plugins/debugger/debuggerplugin.cpp
index 2d3a22a4c90..ceb531271a0 100644
--- a/src/plugins/debugger/debuggerplugin.cpp
+++ b/src/plugins/debugger/debuggerplugin.cpp
@@ -199,8 +199,6 @@
 //      Inferior-     Inferior-   Inferior-  EngineRun-                     +
 //     Unrunnable}     StopOk}     RunOk}     Failed}                       +
 //           +           +            +           +                         +
-//     EngineRunOk  EngineRunOk  EngineRunOk      +                         +
-//           +           +            +           +                         +
 //   InferiorUnrunnable  +     InferiorRunOk      +                         +
 //                       +                        +                         +
 //                InferiorStopOk            EngineRunFailed                 +
diff --git a/src/plugins/debugger/gdb/gdbengine.cpp b/src/plugins/debugger/gdb/gdbengine.cpp
index fe7a3adee69..0fc17c4e189 100644
--- a/src/plugins/debugger/gdb/gdbengine.cpp
+++ b/src/plugins/debugger/gdb/gdbengine.cpp
@@ -144,7 +144,6 @@ static bool stateAcceptsGdbCommands(DebuggerState state)
     case InferiorStopSpontaneous:
     case InferiorSetupOk:
     case EngineRunFailed:
-    case EngineRunOk:
     case InferiorExitOk:
     case InferiorRunFailed:
     case EngineShutdownOk:
diff --git a/src/plugins/debugger/qml/qmlcppengine.cpp b/src/plugins/debugger/qml/qmlcppengine.cpp
index 7bff1a725bd..1236a3264a2 100644
--- a/src/plugins/debugger/qml/qmlcppengine.cpp
+++ b/src/plugins/debugger/qml/qmlcppengine.cpp
@@ -440,18 +440,6 @@ void QmlCppEngine::slaveEngineStateChanged
         notifyEngineRunFailed();
         break;
 
-    case EngineRunOk:
-        if (otherEngine->state() == EngineRunOk) {
-            // This is conditionalized on isMasterEngine() in the
-            // base class, so do it here manually.
-            slaveEngine->setSilentState(InferiorRunOk);
-            otherEngine->setSilentState(InferiorRunOk);
-            notifyEngineRunAndInferiorRunOk();
-        } else {
-            qDebug() << "... WAITING FOR OTHER ENGINE RUN...";
-        }
-        break;
-
 
     case InferiorRunRequested:
         break;
@@ -461,11 +449,21 @@ void QmlCppEngine::slaveEngineStateChanged
         break;
 
     case InferiorRunOk:
-        qDebug() << "PLANNED INFERIOR RUN";
-        if (otherEngine->state() == InferiorRunOk)
-            notifyInferiorRunOk();
-        else
-            qDebug() << " **** INFERIOR RUN NOT OK ****";
+        if (state() == EngineRunRequested) {
+            if (otherEngine->state() == InferiorRunOk)
+                notifyEngineRunAndInferiorRunOk();
+            else if (otherEngine->state() == InferiorRunOk)
+                notifyEngineRunAndInferiorStopOk();
+            else
+                qDebug() << "... WAITING FOR OTHER INFERIOR RUN";
+        } else {
+            if (otherEngine->state() == InferiorRunOk) {
+                qDebug() << "PLANNED INFERIOR RUN";
+                notifyInferiorRunOk();
+            } else {
+                qDebug() << " **** INFERIOR RUN NOT OK ****";
+            }
+        }
         break;
 
 
diff --git a/src/plugins/debugger/qml/qmlengine.cpp b/src/plugins/debugger/qml/qmlengine.cpp
index b0bae0a6267..a29b4ecf6b2 100644
--- a/src/plugins/debugger/qml/qmlengine.cpp
+++ b/src/plugins/debugger/qml/qmlengine.cpp
@@ -676,7 +676,7 @@ void QmlEngine::messageReceived(const QByteArray &message)
 
     if (command == "STOPPED") {
         qDebug() << command << this << state();
-        if (state() == InferiorRunOk || state() == EngineRunOk)
+        if (state() == InferiorRunOk)
             notifyInferiorSpontaneousStop();
 
         QString logString = QString(command);