diff --git a/include/os/freebsd/zfs/sys/zfs_vfsops_os.h b/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
index c44f7c6f0..f765d38db 100644
--- a/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
+++ b/include/os/freebsd/zfs/sys/zfs_vfsops_os.h
@@ -128,9 +128,6 @@ struct zfsvfs {
 #define	ZFS_TEARDOWN_DESTROY(zfsvfs)		\
 	rms_destroy(&(zfsvfs)->z_teardown_lock)
 
-#define	ZFS_TEARDOWN_TRY_ENTER_READ(zfsvfs)	\
-	rms_try_rlock(&(zfsvfs)->z_teardown_lock)
-
 #define	ZFS_TEARDOWN_ENTER_READ(zfsvfs, tag)	\
 	rms_rlock(&(zfsvfs)->z_teardown_lock);
 
@@ -161,9 +158,6 @@ struct zfsvfs {
 #define	ZFS_TEARDOWN_DESTROY(zfsvfs)		\
 	rrm_destroy(&(zfsvfs)->z_teardown_lock)
 
-#define	ZFS_TEARDOWN_TRY_ENTER_READ(zfsvfs)	\
-	rw_tryenter(&(zfsvfs)->z_teardown_lock, RW_READER)
-
 #define	ZFS_TEARDOWN_ENTER_READ(zfsvfs, tag)	\
 	rrm_enter_read(&(zfsvfs)->z_teardown_lock, tag);
 
diff --git a/include/os/linux/zfs/sys/zfs_vfsops_os.h b/include/os/linux/zfs/sys/zfs_vfsops_os.h
index 697ae2018..e320b8de4 100644
--- a/include/os/linux/zfs/sys/zfs_vfsops_os.h
+++ b/include/os/linux/zfs/sys/zfs_vfsops_os.h
@@ -143,9 +143,6 @@ struct zfsvfs {
 #define	ZFS_TEARDOWN_DESTROY(zfsvfs)		\
 	rrm_destroy(&(zfsvfs)->z_teardown_lock)
 
-#define	ZFS_TEARDOWN_TRY_ENTER_READ(zfsvfs)	\
-	rw_tryenter(&(zfsvfs)->z_teardown_lock, RW_READER)
-
 #define	ZFS_TEARDOWN_ENTER_READ(zfsvfs, tag)	\
 	rrm_enter_read(&(zfsvfs)->z_teardown_lock, tag);