diff --git a/include/types.h b/include/types.h
index 5c1322cc..54cb3f40 100644
--- a/include/types.h
+++ b/include/types.h
@@ -26,6 +26,10 @@
 extern "C" {
 #endif
 
+/* MCC is always three digits. MNC is either two or three digits */
+#define OFONO_MAX_MCC_LENGTH 3
+#define OFONO_MAX_MNC_LENGTH 3
+
 typedef void (*ofono_destroy_func)(void *data);
 
 /* 27.007 Section 6.2 */
diff --git a/src/driver.h b/src/driver.h
index 1101c088..ea357131 100644
--- a/src/driver.h
+++ b/src/driver.h
@@ -44,10 +44,6 @@ struct ofono_call {
  *   */
 #define OFONO_MAX_OPERATOR_NAME_LENGTH 63
 
-/* MCC is always three digits. MNC is either two or three digits */
-#define OFONO_MAX_MCC_LENGTH 3
-#define OFONO_MAX_MNC_LENGTH 3
-
 struct ofono_network_operator {
 	char name[OFONO_MAX_OPERATOR_NAME_LENGTH + 1];
 	char mcc[OFONO_MAX_MCC_LENGTH + 1];