diff --git a/softhdcuvid.cpp b/softhdcuvid.cpp
index 76f19b1..f0a96d8 100644
--- a/softhdcuvid.cpp
+++ b/softhdcuvid.cpp
@@ -61,7 +61,7 @@ extern void ToggleLUT();
 /// vdr-plugin version number.
 /// Makefile extracts the version number for generating the file name
 /// for the distribution archive.
-static const char *const VERSION = "3.29"
+static const char *const VERSION = "3.30"
 #ifdef GIT_REV
                                    "-GIT" GIT_REV
 #endif
@@ -2960,7 +2960,6 @@ class cPluginSoftHdDevice : public cPlugin {
     virtual bool Start(void);
     virtual void Stop(void);
     virtual void Housekeeping(void);
-    virtual void MainThreadHook(void);
     virtual const char *MainMenuEntry(void);
     virtual cOsdObject *MainMenuAction(void);
     virtual cMenuSetupPage *SetupMenu(void);
@@ -3129,21 +3128,6 @@ cOsdObject *cPluginSoftHdDevice::MainMenuAction(void) {
     return new cSoftHdMenu("SoftHdDevice");
 }
 
-/**
-**  Called for every plugin once during every cycle of VDR's main program
-**  loop.
-*/
-void cPluginSoftHdDevice::MainThreadHook(void) {
-    // dsyslog("[softhddev]%s:\n", __FUNCTION__);
-
-    if (DoMakePrimary) {
-        dsyslog("[softhddev]%s: switching primary device to %d\n", __FUNCTION__, DoMakePrimary);
-        cDevice::SetPrimaryDevice(DoMakePrimary);
-        DoMakePrimary = 0;
-    }
-
-    ::MainThreadHook();
-}
 
 /**
 **  Return our setup menu.
diff --git a/softhddev.c b/softhddev.c
index 8c58813..2de4a89 100644
--- a/softhddev.c
+++ b/softhddev.c
@@ -3211,18 +3211,6 @@ void Housekeeping(void) {
     }
 }
 
-/**
-**  Main thread hook, periodic called from main thread.
-*/
-void MainThreadHook(void) {
-    if (Usr1Signal) { // x11 server ready
-        // FIYME: x11 server keeps sending sigusr1 signals
-        signal(SIGUSR1, SIG_IGN); // ignore further signals
-        Usr1Signal = 0;
-        StartVideo();
-        VideoDisplayWakeup();
-    }
-}
 
 //////////////////////////////////////////////////////////////////////////////
 //  Suspend/Resume
diff --git a/softhddev.h b/softhddev.h
index e6aea21..5ccd02a 100644
--- a/softhddev.h
+++ b/softhddev.h
@@ -86,8 +86,6 @@ extern int Start(void);
 extern void Stop(void);
 /// C plugin house keeping
 extern void Housekeeping(void);
-/// C plugin main thread hook
-extern void MainThreadHook(void);
 
 /// Suspend plugin
 extern void Suspend(int, int, int);