diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 08c76af920d67cf93437295feb8f33e711fe2967..eff29e311f70b8c12a46388fb7e31b22ab1e11fc 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -137,11 +137,6 @@ static int drm_get_pci_domain(struct drm_device *dev)
 	return pci_domain_nr(dev->pdev->bus);
 }
 
-static int drm_pci_get_irq(struct drm_device *dev)
-{
-	return dev->pdev->irq;
-}
-
 static const char *drm_pci_get_name(struct drm_device *dev)
 {
 	struct pci_driver *pdriver = dev->driver->kdriver.pci;
@@ -317,7 +312,6 @@ void drm_pci_agp_destroy(struct drm_device *dev)
 }
 
 static struct drm_bus drm_pci_bus = {
-	.get_irq = drm_pci_get_irq,
 	.get_name = drm_pci_get_name,
 	.set_busid = drm_pci_set_busid,
 	.set_unique = drm_pci_set_unique,
diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c
index 5cd8c695824f7299b20ef9acabb0ed09211f87a3..5b918212b1c3602951e60af85e16c3872aea0e88 100644
--- a/drivers/gpu/drm/drm_platform.c
+++ b/drivers/gpu/drm/drm_platform.c
@@ -68,11 +68,6 @@ static int drm_get_platform_dev(struct platform_device *platdev,
 	return ret;
 }
 
-static int drm_platform_get_irq(struct drm_device *dev)
-{
-	return platform_get_irq(dev->platformdev, 0);
-}
-
 static const char *drm_platform_get_name(struct drm_device *dev)
 {
 	return dev->platformdev->name;
@@ -123,7 +118,6 @@ static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *mas
 }
 
 static struct drm_bus drm_platform_bus = {
-	.get_irq = drm_platform_get_irq,
 	.get_name = drm_platform_get_name,
 	.set_busid = drm_platform_set_busid,
 };
diff --git a/drivers/gpu/drm/drm_usb.c b/drivers/gpu/drm/drm_usb.c
index ed60f887c80584674f8643d17bf01feee5597607..abdc265c9cc875a5926257c5a653ac780add8497 100644
--- a/drivers/gpu/drm/drm_usb.c
+++ b/drivers/gpu/drm/drm_usb.c
@@ -36,11 +36,6 @@ int drm_get_usb_dev(struct usb_interface *interface,
 }
 EXPORT_SYMBOL(drm_get_usb_dev);
 
-static int drm_usb_get_irq(struct drm_device *dev)
-{
-	return 0;
-}
-
 static const char *drm_usb_get_name(struct drm_device *dev)
 {
 	return "USB";
@@ -53,7 +48,6 @@ static int drm_usb_set_busid(struct drm_device *dev,
 }
 
 static struct drm_bus drm_usb_bus = {
-	.get_irq = drm_usb_get_irq,
 	.get_name = drm_usb_get_name,
 	.set_busid = drm_usb_set_busid,
 };
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 7a7cfe88b9bf80cbc212b889e36b10fc016c9981..f4d0eaa3da46577d82eb6071c27f6f30aa4d5e0c 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -726,7 +726,6 @@ struct drm_master {
 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
 
 struct drm_bus {
-	int (*get_irq)(struct drm_device *dev);
 	const char *(*get_name)(struct drm_device *dev);
 	int (*set_busid)(struct drm_device *dev, struct drm_master *master);
 	int (*set_unique)(struct drm_device *dev, struct drm_master *master,