diff --git a/drivers/mtd/ar7part.c b/drivers/mtd/ar7part.c
index 7c057a05adb67722613c45e3a3612f4f425dc115..ddc0a4287a4b89c8124dd3629b9647e3ca800b74 100644
--- a/drivers/mtd/ar7part.c
+++ b/drivers/mtd/ar7part.c
@@ -142,7 +142,13 @@ static int __init ar7_parser_init(void)
 	return register_mtd_parser(&ar7_parser);
 }
 
+static void __exit ar7_parser_exit(void)
+{
+	deregister_mtd_parser(&ar7_parser);
+}
+
 module_init(ar7_parser_init);
+module_exit(ar7_parser_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR(	"Felix Fietkau <nbd@openwrt.org>, "
diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
index 2e08fc45ce842ce0e039b932535e27287cf410d8..721caebbc5cc21344a58a710d466205f75f845ef 100644
--- a/drivers/mtd/cmdlinepart.c
+++ b/drivers/mtd/cmdlinepart.c
@@ -398,7 +398,13 @@ static int __init cmdline_parser_init(void)
 	return register_mtd_parser(&cmdline_parser);
 }
 
+static void __exit cmdline_parser_exit(void)
+{
+	deregister_mtd_parser(&cmdline_parser);
+}
+
 module_init(cmdline_parser_init);
+module_exit(cmdline_parser_exit);
 
 MODULE_PARM_DESC(mtdparts, "Partitioning specification");
 module_param(mtdparts, charp, 0);
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index dbd3aa574eaf8462b9bce810ba9742c9c48f2eb2..30bd907a260afe19420fd84b0992018faee82e3a 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -174,7 +174,14 @@ static int __init ofpart_parser_init(void)
 	return rc;
 }
 
+static void __exit ofpart_parser_exit(void)
+{
+	deregister_mtd_parser(&ofpart_parser);
+	deregister_mtd_parser(&ofoldpart_parser);
+}
+
 module_init(ofpart_parser_init);
+module_exit(ofpart_parser_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Parser for MTD partitioning information in device tree");