diff --git a/src/mission_companion.cpp b/src/mission_companion.cpp
index 64ede7f8d2d24..463c43925b54f 100644
--- a/src/mission_companion.cpp
+++ b/src/mission_companion.cpp
@@ -75,11 +75,6 @@ const skill_id skill_tailor( "tailor" );
 const skill_id skill_cooking( "cooking" );
 const skill_id skill_traps( "traps" );
 const skill_id skill_archery( "archery" );
-const skill_id skill_rifle( "rifle" );
-const skill_id skill_pistol( "pistol" );
-const skill_id skill_shotgun( "shotgun" );
-const skill_id skill_smg( "smg" );
-const skill_id skill_swimming( "swimming" );
 
 static const trait_id trait_NPC_CONSTRUCTION_LEV_1( "NPC_CONSTRUCTION_LEV_1" );
 static const trait_id trait_NPC_CONSTRUCTION_LEV_2( "NPC_CONSTRUCTION_LEV_2" );