diff --git a/storage/innobase/include/lock0priv.h b/storage/innobase/include/lock0priv.h
index 6da5e0f1402..6db12b30177 100644
--- a/storage/innobase/include/lock0priv.h
+++ b/storage/innobase/include/lock0priv.h
@@ -64,61 +64,44 @@ operator<<(std::ostream& out, const lock_table_t& lock)
 	return(lock.print(out));
 }
 
-/** Convert the member 'type_mode' into a human readable string.
-@return human readable string */
-inline
-std::string
-ib_lock_t::type_mode_string() const
-{
-	std::ostringstream sout;
-	sout << type_string();
-	static_assert(LOCK_MODE_MASK == 7, "compatibility");
-	static_assert(LOCK_IS == 0, "compatibility");
-	static_assert(LOCK_IX == 1, "compatibility");
-	static_assert(LOCK_S == 2, "compatibility");
-	static_assert(LOCK_X == 3, "compatibility");
-	static_assert(LOCK_AUTO_INC == 4, "compatibility");
-	static_assert(LOCK_NONE == 5, "compatibility");
-	static_assert(LOCK_NONE_UNSET == 7, "compatibility");
-	const char * const modes[8] = {
-		"IS", "IX", "S", "X", "AUTO_INC", "NONE", "?", "NONE_UNSET"
-	};
-
-	sout << " | LOCK_" << modes[mode()];
-
-	if (is_record_not_gap()) {
-		sout << " | LOCK_REC_NOT_GAP";
-	}
-
-	if (is_waiting()) {
-		sout << " | LOCK_WAIT";
-	}
-
-	if (is_gap()) {
-		sout << " | LOCK_GAP";
-	}
-
-	if (is_insert_intention()) {
-		sout << " | LOCK_INSERT_INTENTION";
-	}
-	return(sout.str());
-}
-
 inline
 std::ostream&
 ib_lock_t::print(std::ostream& out) const
 {
-	out << "[lock_t: type_mode=" << type_mode << "("
-		<< type_mode_string() << ")";
+  static_assert(LOCK_MODE_MASK == 7, "compatibility");
+  static_assert(LOCK_IS == 0, "compatibility");
+  static_assert(LOCK_IX == 1, "compatibility");
+  static_assert(LOCK_S == 2, "compatibility");
+  static_assert(LOCK_X == 3, "compatibility");
+  static_assert(LOCK_AUTO_INC == 4, "compatibility");
+  static_assert(LOCK_NONE == 5, "compatibility");
+  static_assert(LOCK_NONE_UNSET == 7, "compatibility");
+  const char *const modes[8]=
+  { "IS", "IX", "S", "X", "AUTO_INC", "NONE", "?", "NONE_UNSET" };
 
-	if (is_record_lock()) {
-		out << un_member.rec_lock;
-	} else {
-		out << un_member.tab_lock;
-	}
+  out << "[lock_t: type_mode=" << type_mode << "(" << type_string()
+      << " | LOCK_" << modes[mode()];
 
-	out << "]";
-	return(out);
+  if (is_record_not_gap())
+    out << " | LOCK_REC_NOT_GAP";
+  if (is_waiting())
+    out << " | LOCK_WAIT";
+
+  if (is_gap())
+    out << " | LOCK_GAP";
+
+  if (is_insert_intention())
+    out << " | LOCK_INSERT_INTENTION";
+
+  out << ")";
+
+  if (is_record_lock())
+    out << un_member.rec_lock;
+  else
+    out << un_member.tab_lock;
+
+  out << "]";
+  return out;
 }
 
 inline
diff --git a/storage/innobase/include/lock0types.h b/storage/innobase/include/lock0types.h
index f8bd308a8cc..b830fe10104 100644
--- a/storage/innobase/include/lock0types.h
+++ b/storage/innobase/include/lock0types.h
@@ -225,10 +225,6 @@ struct ib_lock_t
 	@return the given output stream. */
 	std::ostream& print(std::ostream& out) const;
 
-	/** Convert the member 'type_mode' into a human readable string.
-	@return human readable string */
-	std::string type_mode_string() const;
-
 	const char* type_string() const
 	{
 		switch (type_mode & LOCK_TYPE_MASK) {