diff --git a/reactos/ntoskrnl/ps/debug.c b/reactos/ntoskrnl/ps/debug.c
index 4c7b26e1476..67f343fbd2a 100644
--- a/reactos/ntoskrnl/ps/debug.c
+++ b/reactos/ntoskrnl/ps/debug.c
@@ -55,7 +55,6 @@ PspGetOrSetContextKernelRoutine(PKAPC Apc,
     Context = &GetSetContext->Context;
     Event = &GetSetContext->Event;
     Mode = GetSetContext->Mode;
-    Thread = SystemArgument2;
 
     if (TrapFrame->Cs == KERNEL_CS && Mode != KernelMode)
     {