diff --git a/master/domain.c b/master/domain.c
index d9377c0500e3754b4b2abea7c6771034601cdce0..3a7d88db4959dc3a79e63ffc61026ba7d1681ece 100644
--- a/master/domain.c
+++ b/master/domain.c
@@ -15,6 +15,7 @@
 /*****************************************************************************/
 
 void ec_domain_clear_field_regs(ec_domain_t *);
+ssize_t ec_show_domain_attribute(struct kobject *, struct attribute *, char *);
 
 /*****************************************************************************/
 
diff --git a/master/domain.h b/master/domain.h
index 23a58c0f805d61ab560bf1b1d41c64676ad944f1..58d662f65389a58706aacb7e47d7ccc8c305c58b 100644
--- a/master/domain.h
+++ b/master/domain.h
@@ -62,8 +62,6 @@ int ec_domain_init(ec_domain_t *, ec_master_t *, unsigned int);
 void ec_domain_clear(struct kobject *);
 int ec_domain_alloc(ec_domain_t *, uint32_t);
 
-ssize_t ec_show_domain_attribute(struct kobject *, struct attribute *, char *);
-
 /*****************************************************************************/
 
 #endif
diff --git a/master/master.c b/master/master.c
index d5587874aa13f50b9a113c7986747a56c68d6ed4..56966615715ed0f2c413df0f27fa4b8c8260128f 100644
--- a/master/master.c
+++ b/master/master.c
@@ -25,6 +25,10 @@
 
 /*****************************************************************************/
 
+ssize_t ec_show_master_attribute(struct kobject *, struct attribute *, char *);
+
+/*****************************************************************************/
+
 static struct attribute attr_slave_count = {
     .name = "slave_count",
     .owner = THIS_MODULE,
diff --git a/master/master.h b/master/master.h
index 379ede4b93fb798fe62c008337a89871ee198e1c..0f772125dc5e7a82cbc605493fbcd6499ee0e925 100644
--- a/master/master.h
+++ b/master/master.h
@@ -85,7 +85,6 @@ int ec_master_bus_scan(ec_master_t *);
 void ec_master_debug(const ec_master_t *);
 void ec_master_output_stats(ec_master_t *);
 void ec_master_run_eoe(ec_master_t *);
-ssize_t ec_show_master_attribute(struct kobject *, struct attribute *, char *);
 
 /*****************************************************************************/