diff --git a/plugins/providers/hyperv/driver.rb b/plugins/providers/hyperv/driver.rb
index d7fcb6521..d459905d8 100644
--- a/plugins/providers/hyperv/driver.rb
+++ b/plugins/providers/hyperv/driver.rb
@@ -82,6 +82,10 @@ module VagrantPlugins
         execute(:get_vhd, DiskFilePath: disk_file_path)
       end
 
+      def dismount_disk(disk_file_path)
+        execute(:dismount_vhd, DiskFilePath: disk_file_path)
+      end
+
       ########
       ########
       ########