diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 19874151e95c9908660132e6a3e2e6d7d2d3c8e4..892aefff36300a0861f9bf5d43cb7a4b5069d873 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -31,7 +31,6 @@
 #include <linux/lockd/bind.h>
 #include <linux/seq_file.h>
 #include <linux/mount.h>
-#include <linux/nfs_idmap.h>
 #include <linux/vfs.h>
 #include <linux/inet.h>
 #include <linux/in6.h>
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 322b2de02988fa6479c2d2831a5e5d70dfdad7c9..5cc3da9d931416608254b3b950358b85dae7da62 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -43,7 +43,6 @@
 #include <linux/seq_file.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
-#include <linux/nfs_idmap.h>
 #include <linux/vfs.h>
 #include <linux/inet.h>
 #include <linux/in6.h>
diff --git a/include/linux/nfs_idmap.h b/include/linux/nfs_idmap.h
index 333844e38f66c4918d3693a96cfdb0b50f9b031d..daaf3ea5e9d847665324fb4e4a3d6345c4e1b601 100644
--- a/include/linux/nfs_idmap.h
+++ b/include/linux/nfs_idmap.h
@@ -46,19 +46,8 @@ struct nfs_server;
 struct nfs_fattr;
 struct nfs4_string;
 
-#if IS_ENABLED(CONFIG_NFS_V4)
 int nfs_idmap_init(void);
 void nfs_idmap_quit(void);
-#else
-static inline int nfs_idmap_init(void)
-{
-	return 0;
-}
-
-static inline void nfs_idmap_quit(void)
-{}
-#endif
-
 int nfs_idmap_new(struct nfs_client *);
 void nfs_idmap_delete(struct nfs_client *);