diff --git a/src/ai/formula/candidates.cpp b/src/ai/formula/candidates.cpp
index a9e6102dc833..7cea26f7cf68 100644
--- a/src/ai/formula/candidates.cpp
+++ b/src/ai/formula/candidates.cpp
@@ -222,7 +222,6 @@ void attack_candidate_action::evaluate(ai::formula_ai* ai, unit_map& units)
 
 	for( size_t my_unit = 0 ; my_unit < my_units_flt.size() ; ++my_unit){
 		auto my_unit_callable = my_units_flt[my_unit].convert_to<unit_callable>();
-		auto enemy_unit_callable = my_units_flt[my_unit].convert_to<unit_callable>();
 		for( size_t enemy_unit = 0 ; enemy_unit < enemy_units_flt.size() ; ++enemy_unit){
 			auto enemy_unit_callable = enemy_units_flt[enemy_unit].convert_to<unit_callable>();
 			if(ai->can_reach_unit(my_unit_callable->get_location(), enemy_unit_callable->get_location())) {
diff --git a/src/scripting/lua_audio.cpp b/src/scripting/lua_audio.cpp
index 324e03954066..90871c1bf87d 100644
--- a/src/scripting/lua_audio.cpp
+++ b/src/scripting/lua_audio.cpp
@@ -156,9 +156,9 @@ static int intf_music_next(lua_State*) {
 }
 
 static int intf_music_add(lua_State* L) {
-	int i = -1;
+	int index = -1;
 	if(lua_isinteger(L, 1)) {
-		i = lua_tointeger(L, 1);
+		index = lua_tointeger(L, 1);
 		lua_remove(L, 1);
 	}
 	config cfg = config_of
@@ -186,7 +186,7 @@ static int intf_music_add(lua_State* L) {
 			return luaL_argerror(L, i, "unrecognized argument");
 		}
 	}
-	sound::play_music_config(cfg, i);
+	sound::play_music_config(cfg, index);
 	return 0;
 }