diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h
index a5673563..937908aa 100644
--- a/linux-core/drm_compat.h
+++ b/linux-core/drm_compat.h
@@ -107,27 +107,6 @@
 #define IRQF_SHARED SA_SHIRQ
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
-static inline int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t pgprot)
-{
-  return remap_page_range(vma, from,
-			  pfn << PAGE_SHIFT,
-			  size,
-			  pgprot);
-}
-
-static __inline__ void *kcalloc(size_t nmemb, size_t size, int flags)
-{
-	void *addr;
-
-	addr = kmalloc(size * nmemb, flags);
-	if (addr != NULL)
-		memset((void *)addr, 0, size * nmemb);
-
-	return addr;
-}
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
 #define mutex_lock down
 #define mutex_unlock up
diff --git a/linux-core/mga_drv.c b/linux-core/mga_drv.c
index 14a0be45..ce498574 100644
--- a/linux-core/mga_drv.c
+++ b/linux-core/mga_drv.c
@@ -73,7 +73,7 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
-#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+#if defined(CONFIG_COMPAT)
 		.compat_ioctl = mga_compat_ioctl,
 #endif
 		},
diff --git a/linux-core/nouveau_drv.c b/linux-core/nouveau_drv.c
index c8f57dff..b31485a8 100644
--- a/linux-core/nouveau_drv.c
+++ b/linux-core/nouveau_drv.c
@@ -70,7 +70,7 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
-#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+#if defined(CONFIG_COMPAT)
 		.compat_ioctl = nouveau_compat_ioctl,
 #endif
 	},
diff --git a/linux-core/r128_drv.c b/linux-core/r128_drv.c
index 7b6159b9..111fe711 100644
--- a/linux-core/r128_drv.c
+++ b/linux-core/r128_drv.c
@@ -68,7 +68,7 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
-#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+#if defined(CONFIG_COMPAT)
 		.compat_ioctl = r128_compat_ioctl,
 #endif
 		},
diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c
index 934fa0b9..902bdc23 100644
--- a/linux-core/radeon_drv.c
+++ b/linux-core/radeon_drv.c
@@ -114,7 +114,7 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
-#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+#if defined(CONFIG_COMPAT)
 		.compat_ioctl = radeon_compat_ioctl,
 #endif
 		},
diff --git a/linux-core/xgi_drv.c b/linux-core/xgi_drv.c
index bfe9acdf..51ace0ff 100644
--- a/linux-core/xgi_drv.c
+++ b/linux-core/xgi_drv.c
@@ -93,7 +93,7 @@ static struct drm_driver driver = {
 		.mmap = drm_mmap,
 		.poll = drm_poll,
 		.fasync = drm_fasync,
-#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9)
+#if defined(CONFIG_COMPAT)
 		.compat_ioctl = xgi_compat_ioctl,
 #endif
 	},