diff --git a/sys/dev/fdc/fdc.c b/sys/dev/fdc/fdc.c
index 5c78d02a550..812ca43789b 100644
--- a/sys/dev/fdc/fdc.c
+++ b/sys/dev/fdc/fdc.c
@@ -1583,10 +1583,6 @@ fd_ioctl(struct g_provider *pp, u_long cmd, void *data, int fflag, struct thread
 /*
  * Configuration/initialization stuff, per controller.
  */
-
-devclass_t fdc_devclass;
-static devclass_t fd_devclass;
-
 struct fdc_ivars {
 	int	fdunit;
 	int	fdtype;
@@ -2112,4 +2108,4 @@ fdc_modevent(module_t mod, int type, void *data)
 	return (g_modevent(NULL, type, &g_fd_class));
 }
 
-DRIVER_MODULE(fd, fdc, fd_driver, fd_devclass, fdc_modevent, 0);
+DRIVER_MODULE(fd, fdc, fd_driver, fdc_modevent, 0);
diff --git a/sys/dev/fdc/fdc_acpi.c b/sys/dev/fdc/fdc_acpi.c
index 6da5bf135b4..9926827e353 100644
--- a/sys/dev/fdc/fdc_acpi.c
+++ b/sys/dev/fdc/fdc_acpi.c
@@ -273,4 +273,4 @@ static driver_t fdc_acpi_driver = {
 	sizeof(struct fdc_data)
 };
 
-DRIVER_MODULE(fdc, acpi, fdc_acpi_driver, fdc_devclass, 0, 0);
+DRIVER_MODULE(fdc, acpi, fdc_acpi_driver, 0, 0);
diff --git a/sys/dev/fdc/fdc_isa.c b/sys/dev/fdc/fdc_isa.c
index 6b22c05fb85..74865fc8d14 100644
--- a/sys/dev/fdc/fdc_isa.c
+++ b/sys/dev/fdc/fdc_isa.c
@@ -222,5 +222,5 @@ static driver_t fdc_driver = {
 	sizeof(struct fdc_data)
 };
 
-DRIVER_MODULE(fdc, isa, fdc_driver, fdc_devclass, 0, 0);
+DRIVER_MODULE(fdc, isa, fdc_driver, 0, 0);
 ISA_PNP_INFO(fdc_ids);
diff --git a/sys/dev/fdc/fdcvar.h b/sys/dev/fdc/fdcvar.h
index 3a2159db134..4981e84ce7f 100644
--- a/sys/dev/fdc/fdcvar.h
+++ b/sys/dev/fdc/fdcvar.h
@@ -70,8 +70,6 @@ struct fdc_data {
 	struct proc *fdc_thread;
 };
 
-extern devclass_t fdc_devclass;
-
 enum fdc_device_ivars {
 	FDC_IVAR_FDUNIT,
 	FDC_IVAR_FDTYPE,