diff --git a/drivers/mxc/amd-gpu/kgsl.c b/drivers/mxc/amd-gpu/kgsl.c
index 972879bf7df..18593369287 100644
--- a/drivers/mxc/amd-gpu/kgsl.c
+++ b/drivers/mxc/amd-gpu/kgsl.c
@@ -505,22 +505,6 @@ done:
 	return status;
 }
 
-/* not implemented in qcom kernel? */
-static int kgsl_ioctl_device_regwrite(struct file *fd, void __user *arg)
-{
-	int status = GSL_SUCCESS;
-	struct kgsl_device_regwrite param;
-
-	if (copy_from_user(&param, arg, sizeof(param))) {
-		pr_err("%s: copy_from_user error\n", __func__);
-		return GSL_FAILURE;
-	}
-
-	status = kgsl_device_regwrite(param.device_id, param.offsetwords, param.value);
-
-	return status;
-}
-
 /* device_waittimestamp in qcom */
 static int kgsl_ioctl_cmdstream_waittimestamp(struct file *fd, void __user *arg)
 {
@@ -954,27 +938,6 @@ static int kgsl_ioctl_drawctxt_bind_gmem_shadow(struct file *fd, void __user *ar
 	return status;
 }
 
-#if 0
-static int kgsl_ioctl_add_timestamp(struct file *fd, void __user *arg)
-{
-	struct kgsl_add_timestamp param;
-	unsigned int tmp;
-
-	if (copy_from_user(&param, arg, sizeof(param))) {
-		pr_err("%s: copy_from_user error\n", __func__);
-                return GSL_FAILURE;
-	}
-
-	tmp = kgsl_add_timestamp(param.device_id, &tmp);
-
-	if (copy_to_user(param.timestamp, &tmp, sizeof(unsigned int))) {
-		pr_err("%s: copy_to_user error\n", __func__);
-		return GSL_FAILURE;
-	}
-	return GSL_SUCCESS;
-}
-#endif
-
 static int kgsl_ioctl(struct inode *inode, struct file *fd, unsigned int cmd, unsigned long arg)
 {
 	int result = GSL_FAILURE;
@@ -985,9 +948,6 @@ static int kgsl_ioctl(struct inode *inode, struct file *fd, unsigned int cmd, un
 	case IOCTL_KGSL_DEVICE_REGREAD:
 		result = kgsl_ioctl_device_regread(fd, (void __user *)arg);
 		break;
-	case IOCTL_KGSL_DEVICE_REGWRITE:
-		result = kgsl_ioctl_device_regwrite(fd, (void __user *)arg);
-		break;
 	case IOCTL_KGSL_DEVICE_GETPROPERTY:
 		result = kgsl_ioctl_device_getproperty(fd, (void __user *)arg);
 		break;
diff --git a/include/linux/mxc_kgsl.h b/include/linux/mxc_kgsl.h
index c6e051485bf..2e55c3f8837 100644
--- a/include/linux/mxc_kgsl.h
+++ b/include/linux/mxc_kgsl.h
@@ -245,15 +245,6 @@ struct kgsl_device_regread {
 #define IOCTL_KGSL_DEVICE_REGREAD \
 	_IOWR(KGSL_IOC_TYPE, 0x26, struct kgsl_device_regread)
 
-struct kgsl_device_regwrite {
-	unsigned int device_id;
-	unsigned int offsetwords;
-	unsigned int value;
-};
-
-#define IOCTL_KGSL_DEVICE_REGWRITE \
-	_IOW(KGSL_IOC_TYPE, 0x27, struct kgsl_device_regwrite)
-
 /*
  * qcom: kgsl_ringbuffer_issueibcmds IOCNR=0x10
  * all unsigned int (including timestamp!?)
@@ -486,15 +477,6 @@ struct kgsl_sharedmem_fromhostpointer {
 #define IOCTL_KGSL_SHAREDMEM_FROMHOSTPOINTER \
 	_IOW(KGSL_IOC_TYPE, 0x38, struct kgsl_sharedmem_fromhostpointer)
 
-/* NQ */
-//struct kgsl_add_timestamp {
-//	unsigned int device_id;
-//	unsigned int *timestamp;
-//};
-//
-//#define IOCTL_KGSL_ADD_TIMESTAMP \
-//	_IOWR(KGSL_IOC_TYPE, 0x39, struct kgsl_add_timestamp)
-
 /* NQ */
 #define IOCTL_KGSL_DRIVER_EXIT \
 	_IOWR(KGSL_IOC_TYPE, 0x3A, NULL)