diff --git a/include/process.h b/include/process.h
index 64969ce78cf..f48ee2bc1e3 100644
--- a/include/process.h
+++ b/include/process.h
@@ -155,7 +155,7 @@ extern PDB *PROCESS_Current(void);
 extern BOOL PROCESS_IsCurrent( HANDLE handle );
 extern PDB *PROCESS_Initial(void);
 extern PDB *PROCESS_IdToPDB( DWORD id );
-extern void PROCESS_CallUserSignalProc( UINT uCode, DWORD dwThreadOrProcessId, HMODULE hModule );
+extern void PROCESS_CallUserSignalProc( UINT uCode, HMODULE hModule );
 extern PDB *PROCESS_Create( struct _NE_MODULE *pModule, 
                             LPCSTR cmd_line, LPCSTR env, 
                             HINSTANCE16 hInstance, HINSTANCE16 hPrevInstance, 
diff --git a/loader/ne/module.c b/loader/ne/module.c
index 20ba983584e..f715efad27d 100644
--- a/loader/ne/module.c
+++ b/loader/ne/module.c
@@ -1218,7 +1218,7 @@ static BOOL16 NE_FreeModule( HMODULE16 hModule, BOOL call_wep )
                 pTask->userhandler( hModule, USIG16_DLL_UNLOAD, 0,
                                     pTask->hInstance, pTask->hQueue );
 
-            PROCESS_CallUserSignalProc( USIG_DLL_UNLOAD_WIN16, 0, hModule );
+            PROCESS_CallUserSignalProc( USIG_DLL_UNLOAD_WIN16, hModule );
         }
         else
             call_wep = FALSE;  /* We are freeing a task -> no more WEPs */
diff --git a/loader/task.c b/loader/task.c
index 369920e8ca7..61cb6df8ad5 100644
--- a/loader/task.c
+++ b/loader/task.c
@@ -249,10 +249,10 @@ static void TASK_CallToStart(void)
     InitializeCriticalSection( &PROCESS_Current()->crit_section );
 
     /* Call USER signal proc */
-    PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0, 0 );  /* for initial thread */
-    PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0, 0 );
-    PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0, 0 );
-    PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0, 0 );
+    PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 );  /* for initial thread */
+    PROCESS_CallUserSignalProc( USIG_PROCESS_INIT, 0 );
+    PROCESS_CallUserSignalProc( USIG_PROCESS_LOADED, 0 );
+    PROCESS_CallUserSignalProc( USIG_PROCESS_RUNNING, 0 );
 
     if (pModule->flags & NE_FFLAGS_WIN32)
     {
@@ -575,9 +575,9 @@ void TASK_KillTask( HTASK16 hTask )
         pTask->userhandler( hTask, USIG16_TERMINATION, 0,
                             pTask->hInstance, pTask->hQueue );
 
-    PROCESS_CallUserSignalProc( USIG_PROCESS_EXIT, 0, 0 );
-    PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0, 0 );     /* FIXME */
-    PROCESS_CallUserSignalProc( USIG_PROCESS_DESTROY, 0, 0 );
+    PROCESS_CallUserSignalProc( USIG_PROCESS_EXIT, 0 );
+    PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0 );     /* FIXME */
+    PROCESS_CallUserSignalProc( USIG_PROCESS_DESTROY, 0 );
 
     if (nTaskCount <= 1)
     {
diff --git a/scheduler/thread.c b/scheduler/thread.c
index 1c61dd695d4..ee8bf3720a2 100644
--- a/scheduler/thread.c
+++ b/scheduler/thread.c
@@ -162,7 +162,7 @@ void CALLBACK THREAD_FreeTHDB( ULONG_PTR arg )
     TRACE("(%p) called\n", thdb );
     SERVICE_Delete( thdb->cleanup );
 
-    PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0, 0 );
+    PROCESS_CallUserSignalProc( USIG_THREAD_EXIT, 0 );
     
     CloseHandle( thdb->event );
     while (*pptr && (*pptr != thdb)) pptr = &(*pptr)->next;
@@ -292,7 +292,7 @@ static void THREAD_Start(void)
 {
     THDB *thdb = THREAD_Current();
     LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)thdb->entry_point;
-    PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0, 0 );
+    PROCESS_CallUserSignalProc( USIG_THREAD_INIT, 0 );
     PE_InitTls();
     MODULE_DllThreadAttach( NULL );