Index: linux-source-4.19/drivers/dahdi/wct4xxp/Kbuild
===================================================================
--- linux-source-4.19.orig/drivers/dahdi/wct4xxp/Kbuild
+++ linux-source-4.19/drivers/dahdi/wct4xxp/Kbuild
@@ -14,7 +14,7 @@
   EXTRA_CFLAGS+=-DHOTPLUG_FIRMWARE
 endif
 
-wct4xxp-objs := base.o vpm450m.o
+wct4xxp-objs := base.o
 
 ifneq ($(HOTPLUG_FIRMWARE),yes)
 wct4xxp-objs += $(FIRM_DIR)/dahdi-fw-oct6114-064.o $(FIRM_DIR)/dahdi-fw-oct6114-128.o $(FIRM_DIR)/dahdi-fw-oct6114-256.o
Index: linux-source-4.19/drivers/dahdi/wct4xxp/base.c
===================================================================
--- linux-source-4.19.orig/drivers/dahdi/wct4xxp/base.c
+++ linux-source-4.19/drivers/dahdi/wct4xxp/base.c
@@ -56,7 +56,7 @@
 #undef FANCY_ALARM
 
 /* Define to support Digium Voice Processing Module expansion card */
-#define VPM_SUPPORT
+//#define VPM_SUPPORRT
 
 #define DEBUG_MAIN 		(1 << 0)
 #define DEBUG_DTMF 		(1 << 1)