diff --git a/innobase/include/data0type.h b/innobase/include/data0type.h
index 00a0845ace8..4b8a5393405 100644
--- a/innobase/include/data0type.h
+++ b/innobase/include/data0type.h
@@ -169,7 +169,6 @@ Checks if a type is a non-binary string type. That is, dtype_is_string_type is
 TRUE and dtype_is_binary_string_type is FALSE. Note that for tables created
 with < 4.0.14, we do not know if a DATA_BLOB column is a BLOB or a TEXT column.
 For those DATA_BLOB columns this function currently returns TRUE. */
-
 UNIV_INLINE
 ibool
 dtype_is_non_binary_string_type(
@@ -220,6 +219,7 @@ dtype_get_charset_coll(
 /*************************************************************************
 Forms a precise type from the < 4.1.2 format precise type plus the
 charset-collation code. */
+UNIV_INLINE
 ulint
 dtype_form_prtype(
 /*==============*/
diff --git a/innobase/include/data0type.ic b/innobase/include/data0type.ic
index 41127a65183..9da6501761e 100644
--- a/innobase/include/data0type.ic
+++ b/innobase/include/data0type.ic
@@ -11,7 +11,7 @@ Created 1/16/1996 Heikki Tuuri
 /*************************************************************************
 Checks if a data main type is a string type. Also a BLOB is considered a
 string type. */
-
+UNIV_INLINE
 ibool
 dtype_is_string_type(
 /*=================*/
@@ -149,6 +149,7 @@ dtype_get_charset_coll(
 /*************************************************************************
 Forms a precise type from the < 4.1.2 format precise type plus the
 charset-collation code. */
+UNIV_INLINE
 ulint
 dtype_form_prtype(
 /*==============*/