diff --git a/src_Core/CPU/Proc.bsv b/src_Core/CPU/Proc.bsv
index 27d6ec6..54f6852 100644
--- a/src_Core/CPU/Proc.bsv
+++ b/src_Core/CPU/Proc.bsv
@@ -313,22 +313,7 @@ module mkProc (Proc_IFC);
 
 `ifdef INCLUDE_GDB_CONTROL
    // run/halt, gpr, mem and csr control goes to core
-   interface Server  hart0_run_halt_server;
-      interface Put#(Bool) request;
-         method Action Put#(Bool x) put;
-            for(Integer i = 0; i < valueof(CoreNum); i = i+1)
-               core[i].hart0_run_halt_server.request.put(x);
-         endmethod
-      endinterface
-      interface Get#(Bool) response;
-         method ActionValue#(Bool) get;
-            Vector#(Bool,i) resp;
-            for(Integer i = 0; i < valueof(CoreNum); i = i+1)
-               resp[i] = core[i].hart0_run_halt_server.response.get(x);
-            return resp[0];
-         endmethod
-      endinterface
-   endinterface
+   interface Server  hart0_run_halt_server = core [0].hart0_run_halt_server;
 
    interface Put  hart0_put_other_req;
       method Action  put (Bit #(4) req);