diff --git a/src/helpers.c b/src/helpers.c
index 29038afb3..a81a91679 100644
--- a/src/helpers.c
+++ b/src/helpers.c
@@ -547,25 +547,25 @@ void register_tolua_helpers(void)
     at_register(&at_direction);
     at_register(&at_building_action);
 
-    register_function((pf_generic)& lua_building_taxes,
+    register_function((pf_generic)lua_building_taxes,
         TOLUA_CAST "lua_building_taxes");
-    register_function((pf_generic)& lua_agebuilding,
+    register_function((pf_generic)lua_agebuilding,
         TOLUA_CAST "lua_agebuilding");
-    register_function((pf_generic)& lua_callspell, TOLUA_CAST "lua_castspell");
-    register_function((pf_generic)& lua_initfamiliar,
+    register_function((pf_generic)lua_callspell, TOLUA_CAST "lua_castspell");
+    register_function((pf_generic)lua_initfamiliar,
         TOLUA_CAST "lua_initfamiliar");
     register_item_use(&lua_useitem, TOLUA_CAST "lua_useitem");
-    register_function((pf_generic)& lua_getresource,
+    register_function((pf_generic)lua_getresource,
         TOLUA_CAST "lua_getresource");
-    register_function((pf_generic)& lua_canuse_item,
+    register_function((pf_generic)lua_canuse_item,
         TOLUA_CAST "lua_canuse_item");
-    register_function((pf_generic)& lua_changeresource,
+    register_function((pf_generic)lua_changeresource,
         TOLUA_CAST "lua_changeresource");
-    register_function((pf_generic)& lua_equipmentcallback,
+    register_function((pf_generic)lua_equipmentcallback,
         TOLUA_CAST "lua_equip");
 
-    register_function((pf_generic)& lua_wage, TOLUA_CAST "lua_wage");
-    register_function((pf_generic)& lua_maintenance,
+    register_function((pf_generic)lua_wage, TOLUA_CAST "lua_wage");
+    register_function((pf_generic)lua_maintenance,
         TOLUA_CAST "lua_maintenance");
 
     register_function((pf_generic)produce_resource,
diff --git a/src/kernel/building.c b/src/kernel/building.c
index c17830e5d..6f97efad0 100644
--- a/src/kernel/building.c
+++ b/src/kernel/building.c
@@ -357,14 +357,14 @@ static int meropis_building_protection(building * b, unit * u)
 
 void register_buildings(void)
 {
-    register_function((pf_generic)& building_protection,
+    register_function((pf_generic)building_protection,
         "building_protection");
-    register_function((pf_generic)& meropis_building_protection,
+    register_function((pf_generic)meropis_building_protection,
         "meropis_building_protection");
-    register_function((pf_generic)& init_smithy, "init_smithy");
-    register_function((pf_generic)& castle_name, "castle_name");
-    register_function((pf_generic)& castle_name_2, "castle_name_2");
-    register_function((pf_generic)& fort_name, "fort_name");
+    register_function((pf_generic)init_smithy, "init_smithy");
+    register_function((pf_generic)castle_name, "castle_name");
+    register_function((pf_generic)castle_name_2, "castle_name_2");
+    register_function((pf_generic)fort_name, "fort_name");
 }
 
 void write_building_reference(const struct building *b, struct storage *store)
diff --git a/src/kernel/config.c b/src/kernel/config.c
index e6a2b9b09..69d09b040 100644
--- a/src/kernel/config.c
+++ b/src/kernel/config.c
@@ -1591,7 +1591,7 @@ void attrib_init(void)
     register_bordertype(&bt_illusionwall);
     register_bordertype(&bt_road);
 
-    register_function((pf_generic)& minimum_wage, "minimum_wage");
+    register_function((pf_generic)minimum_wage, "minimum_wage");
 
     at_register(&at_germs);