diff --git a/UPDATING b/UPDATING
index f2e41bd72805..90e3296b4e47 100644
--- a/UPDATING
+++ b/UPDATING
@@ -37,10 +37,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
 	been removed from mount_fusefs(8).  You can safely remove them from
 	your scripts, because they had no effect.
 
-	The vfs.fusefs.fix_broken_io, vfs.fusefs.sync_resize, and
-	vfs.fusefs.refresh_size sysctls have been removed.  If you felt the
-	need to set any of them to a non-default value, please tell
-	asomers@FreeBSD.org why.
+	The vfs.fusefs.fix_broken_io, vfs.fusefs.sync_resize,
+	vfs.fusefs.refresh_size, and vfs.fusefs.mmap_enable sysctls have been
+	removed.  If you felt the need to set any of them to a non-default
+	value, please tell asomers@FreeBSD.org why.
 
 20190507:
 	The IPSEC option has been removed from GENERIC.  Users requiring
diff --git a/sys/fs/fuse/fuse_ipc.h b/sys/fs/fuse/fuse_ipc.h
index 73401ba8069b..eb274a0bbb3e 100644
--- a/sys/fs/fuse/fuse_ipc.h
+++ b/sys/fs/fuse/fuse_ipc.h
@@ -230,7 +230,6 @@ enum fuse_data_cache_mode {
 
 extern int fuse_data_cache_mode;
 extern int fuse_data_cache_invalidate;
-extern int fuse_mmap_enable;
 
 static inline struct fuse_data *
 fuse_get_mpdata(struct mount *mp)
@@ -268,7 +267,7 @@ fsess_opt_mmap(struct mount *mp)
 {
 	struct fuse_data *data = fuse_get_mpdata(mp);
 
-	if (!fuse_mmap_enable || fuse_data_cache_mode == FUSE_CACHE_UC)
+	if (fuse_data_cache_mode == FUSE_CACHE_UC)
 		return (false);
 	return ((data->dataflags & (FSESS_NO_DATACACHE | FSESS_NO_MMAP)) == 0);
 }
diff --git a/sys/fs/fuse/fuse_node.c b/sys/fs/fuse/fuse_node.c
index eefc0cac3766..c1e5087c9cda 100644
--- a/sys/fs/fuse/fuse_node.c
+++ b/sys/fs/fuse/fuse_node.c
@@ -121,13 +121,6 @@ SYSCTL_INT(_vfs_fusefs, OID_AUTO, data_cache_invalidate, CTLFLAG_RW,
     "If non-zero, discard cached clean file data when there are no active file"
     " users");
 
-int	fuse_mmap_enable = 1;
-
-SYSCTL_INT(_vfs_fusefs, OID_AUTO, mmap_enable, CTLFLAG_RW,
-    &fuse_mmap_enable, 0,
-    "If non-zero, and data_cache_mode is also non-zero, enable mmap(2) of "
-    "FUSE files");
-
 static int
 sysctl_fuse_cache_mode(SYSCTL_HANDLER_ARGS)
 {