diff --git a/rtl/serv_mem_if.v b/rtl/serv_mem_if.v
index bbe5715..6c5d260 100644
--- a/rtl/serv_mem_if.v
+++ b/rtl/serv_mem_if.v
@@ -1,7 +1,6 @@
 `default_nettype none
 module serv_mem_if
-  #(parameter WITH_CSR = 1,
-    parameter [0:0] MDU = 0)
+  #(parameter [0:0] WITH_CSR = 1)
   (
    input wire 	      i_clk,
    //State
diff --git a/rtl/serv_top.v b/rtl/serv_top.v
index 8ed908a..73bcbdb 100644
--- a/rtl/serv_top.v
+++ b/rtl/serv_top.v
@@ -434,8 +434,7 @@ module serv_top
       .o_csr       (rf_csr_out));
 
    serv_mem_if
-     #(.WITH_CSR (WITH_CSR),
-       .MDU(MDU))
+     #(.WITH_CSR (WITH_CSR))
    mem_if
      (
       .i_clk      (clk),