diff --git a/headers/private/kernel/disk_device_manager/ddm_userland_interface.h b/headers/private/kernel/disk_device_manager/ddm_userland_interface.h
index 49d36a187a..5cb9efff17 100644
--- a/headers/private/kernel/disk_device_manager/ddm_userland_interface.h
+++ b/headers/private/kernel/disk_device_manager/ddm_userland_interface.h
@@ -192,6 +192,8 @@ status_t _kern_initialize_partition(partition_id partitionID,
 									int32 changeCounter,
 									const char *diskSystemName,
 									const char *name, const char *parameters);
+status_t _kern_uninitialize_partition(partition_id partitionID,
+									  int32 changeCounter);
 status_t _kern_create_child_partition(partition_id partitionID,
 									  int32 changeCounter, off_t offset,
 									  off_t size, const char *type,
diff --git a/src/kernel/core/disk_device_manager/ddm_userland_interface.cpp b/src/kernel/core/disk_device_manager/ddm_userland_interface.cpp
index 5f954e227e..2813a964dc 100644
--- a/src/kernel/core/disk_device_manager/ddm_userland_interface.cpp
+++ b/src/kernel/core/disk_device_manager/ddm_userland_interface.cpp
@@ -1614,6 +1614,23 @@ _kern_initialize_partition(partition_id partitionID, int32 changeCounter,
 		partition, B_PARTITION_INITIALIZE);
 }
 
+// _kern_uninitialize_partition
+status_t
+_kern_uninitialize_partition(partition_id partitionID, int32 changeCounter)
+{
+	KDiskDeviceManager *manager = KDiskDeviceManager::Default();
+	// get the partition
+	KPartition *partition = manager->WriteLockPartition(partitionID);
+	if (!partition)
+		return B_ENTRY_NOT_FOUND;
+	PartitionRegistrar registrar1(partition, true);
+	PartitionRegistrar registrar2(partition->Device(), true);
+	DeviceWriteLocker locker(partition->Device(), true);
+	// unitialize the partition's contents and set the new parameters
+	partition->UninitializeContents(true);
+	return B_OK;
+}
+
 // _kern_create_child_partition
 status_t
 _kern_create_child_partition(partition_id partitionID, int32 changeCounter,