diff --git a/include/libzfs.h b/include/libzfs.h
index fe70a5b3a6..c0e53b88a6 100644
--- a/include/libzfs.h
+++ b/include/libzfs.h
@@ -553,8 +553,8 @@ _LIBZFS_H int zfs_crypto_create(libzfs_handle_t *, char *, nvlist_t *,
     nvlist_t *, boolean_t stdin_available, uint8_t **, uint_t *);
 _LIBZFS_H int zfs_crypto_clone_check(libzfs_handle_t *, zfs_handle_t *, char *,
     nvlist_t *);
-_LIBZFS_H int zfs_crypto_attempt_load_keys(libzfs_handle_t *, char *);
-_LIBZFS_H int zfs_crypto_load_key(zfs_handle_t *, boolean_t, char *);
+_LIBZFS_H int zfs_crypto_attempt_load_keys(libzfs_handle_t *, const char *);
+_LIBZFS_H int zfs_crypto_load_key(zfs_handle_t *, boolean_t, const char *);
 _LIBZFS_H int zfs_crypto_unload_key(zfs_handle_t *);
 _LIBZFS_H int zfs_crypto_rewrap(zfs_handle_t *, nvlist_t *, boolean_t);
 
diff --git a/lib/libzfs/libzfs_crypto.c b/lib/libzfs/libzfs_crypto.c
index e3486cf9a3..e7d3b09c67 100644
--- a/lib/libzfs/libzfs_crypto.c
+++ b/lib/libzfs/libzfs_crypto.c
@@ -685,7 +685,7 @@ end:
  */
 static int
 get_key_material(libzfs_handle_t *hdl, boolean_t do_verify, boolean_t newkey,
-    zfs_keyformat_t keyformat, char *keylocation, const char *fsname,
+    zfs_keyformat_t keyformat, const char *keylocation, const char *fsname,
     uint8_t **km_out, size_t *kmlen_out, boolean_t *can_retry_out)
 {
 	int ret;
@@ -1240,7 +1240,7 @@ out:
  * filesystem and all of its children.
  */
 int
-zfs_crypto_attempt_load_keys(libzfs_handle_t *hdl, char *fsname)
+zfs_crypto_attempt_load_keys(libzfs_handle_t *hdl, const char *fsname)
 {
 	int ret;
 	zfs_handle_t *zhp = NULL;
@@ -1275,7 +1275,8 @@ error:
 }
 
 int
-zfs_crypto_load_key(zfs_handle_t *zhp, boolean_t noop, char *alt_keylocation)
+zfs_crypto_load_key(zfs_handle_t *zhp, boolean_t noop,
+    const char *alt_keylocation)
 {
 	int ret, attempts = 0;
 	char errbuf[1024];
@@ -1283,7 +1284,7 @@ zfs_crypto_load_key(zfs_handle_t *zhp, boolean_t noop, char *alt_keylocation)
 	uint64_t keyformat = ZFS_KEYFORMAT_NONE;
 	char prop_keylocation[MAXNAMELEN];
 	char prop_encroot[MAXNAMELEN];
-	char *keylocation = NULL;
+	const char *keylocation = NULL;
 	uint8_t *key_material = NULL, *key_data = NULL;
 	size_t key_material_len;
 	boolean_t is_encroot, can_retry = B_FALSE, correctible = B_FALSE;
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index 2179c03d76..88c7ee74b7 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -2030,7 +2030,7 @@ zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
 	nvlist_t *nv = NULL;
 	nvlist_t *nvinfo = NULL;
 	nvlist_t *missing = NULL;
-	char *thename;
+	const char *thename;
 	char *origname;
 	int ret;
 	int error = 0;
@@ -2047,7 +2047,7 @@ zpool_import_props(libzfs_handle_t *hdl, nvlist_t *config, const char *newname,
 			return (zfs_error_fmt(hdl, EZFS_INVALIDNAME,
 			    dgettext(TEXT_DOMAIN, "cannot import '%s'"),
 			    newname));
-		thename = (char *)newname;
+		thename = newname;
 	} else {
 		thename = origname;
 	}