diff --git a/sys/dev/ipmi/ipmi.c b/sys/dev/ipmi/ipmi.c
index 3427c36ba615..c4fb804987c0 100644
--- a/sys/dev/ipmi/ipmi.c
+++ b/sys/dev/ipmi/ipmi.c
@@ -1060,8 +1060,6 @@ ipmi_release_resources(device_t dev)
 			    sc->ipmi_io_rid + i, sc->ipmi_io_res[i]);
 }
 
-devclass_t ipmi_devclass;
-
 /* XXX: Why? */
 static void
 ipmi_unload(void *arg)
diff --git a/sys/dev/ipmi/ipmi_acpi.c b/sys/dev/ipmi/ipmi_acpi.c
index 7c34f49075af..f3745375c15c 100644
--- a/sys/dev/ipmi/ipmi_acpi.c
+++ b/sys/dev/ipmi/ipmi_acpi.c
@@ -210,5 +210,5 @@ static driver_t ipmi_acpi_driver = {
 	sizeof(struct ipmi_softc),
 };
 
-DRIVER_MODULE(ipmi_acpi, acpi, ipmi_acpi_driver, ipmi_devclass, 0, 0);
+DRIVER_MODULE(ipmi_acpi, acpi, ipmi_acpi_driver, 0, 0);
 MODULE_DEPEND(ipmi_acpi, acpi, 1, 1, 1);
diff --git a/sys/dev/ipmi/ipmi_isa.c b/sys/dev/ipmi/ipmi_isa.c
index 1123f2849905..677a723b8b6d 100644
--- a/sys/dev/ipmi/ipmi_isa.c
+++ b/sys/dev/ipmi/ipmi_isa.c
@@ -286,7 +286,7 @@ static driver_t ipmi_isa_driver = {
 	sizeof(struct ipmi_softc),
 };
 
-DRIVER_MODULE(ipmi_isa, isa, ipmi_isa_driver, ipmi_devclass, 0, 0);
+DRIVER_MODULE(ipmi_isa, isa, ipmi_isa_driver, 0, 0);
 #ifdef ARCH_MAY_USE_EFI
 MODULE_DEPEND(ipmi_isa, efirt, 1, 1, 1);
 #endif
diff --git a/sys/dev/ipmi/ipmi_opal.c b/sys/dev/ipmi/ipmi_opal.c
index 97f5e367b88e..7441ad70c8d3 100644
--- a/sys/dev/ipmi/ipmi_opal.c
+++ b/sys/dev/ipmi/ipmi_opal.c
@@ -327,4 +327,4 @@ static driver_t opal_ipmi_driver = {
 	sizeof(struct opal_ipmi_softc)
 };
 
-DRIVER_MODULE(opal_ipmi, opal, opal_ipmi_driver, ipmi_devclass, NULL, NULL);
+DRIVER_MODULE(opal_ipmi, opal, opal_ipmi_driver, NULL, NULL);
diff --git a/sys/dev/ipmi/ipmi_pci.c b/sys/dev/ipmi/ipmi_pci.c
index 13ac4f4b5ede..90f4eaeb0fa6 100644
--- a/sys/dev/ipmi/ipmi_pci.c
+++ b/sys/dev/ipmi/ipmi_pci.c
@@ -179,7 +179,7 @@ static driver_t ipmi_pci_driver = {
 	sizeof(struct ipmi_softc)
 };
 
-DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, ipmi_devclass, 0, 0);
+DRIVER_MODULE(ipmi_pci, pci, ipmi_pci_driver, 0, 0);
 
 /* Native IPMI on PCI driver. */
 
@@ -292,7 +292,7 @@ static driver_t ipmi2_pci_driver = {
 	sizeof(struct ipmi_softc)
 };
 
-DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, ipmi_devclass, 0, 0);
+DRIVER_MODULE(ipmi2_pci, pci, ipmi2_pci_driver, 0, 0);
 #ifdef ARCH_MAY_USE_EFI
 MODULE_DEPEND(ipmi2_pci, efirt, 1, 1, 1);
 #endif
diff --git a/sys/dev/ipmi/ipmi_smbus.c b/sys/dev/ipmi/ipmi_smbus.c
index 652e0ea6e665..eff4ee528612 100644
--- a/sys/dev/ipmi/ipmi_smbus.c
+++ b/sys/dev/ipmi/ipmi_smbus.c
@@ -130,7 +130,7 @@ static driver_t ipmi_smbus_driver = {
 	sizeof(struct ipmi_softc)
 };
 
-DRIVER_MODULE(ipmi_smbus, smbus, ipmi_smbus_driver, ipmi_devclass, 0, 0);
+DRIVER_MODULE(ipmi_smbus, smbus, ipmi_smbus_driver, 0, 0);
 MODULE_DEPEND(ipmi_smbus, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
 #ifdef ARCH_MAY_USE_EFI
 MODULE_DEPEND(ipmi_smbus, efirt, 1, 1, 1);
diff --git a/sys/dev/ipmi/ipmivars.h b/sys/dev/ipmi/ipmivars.h
index 7a1346655983..a7ab23336ff5 100644
--- a/sys/dev/ipmi/ipmivars.h
+++ b/sys/dev/ipmi/ipmivars.h
@@ -255,7 +255,6 @@ int	ipmi_ssif_attach(struct ipmi_softc *, device_t, int);
 int	ipmi_handle_attn(struct ipmi_softc *);
 #endif
 
-extern devclass_t ipmi_devclass;
 extern int ipmi_attached;
 
 #endif	/* !__IPMIVARS_H__ */