diff --git a/src/npcmove.cpp b/src/npcmove.cpp
index 3330314e526c..f054602d7202 100644
--- a/src/npcmove.cpp
+++ b/src/npcmove.cpp
@@ -80,16 +80,12 @@ static const skill_id skill_firstaid( "firstaid" );
 
 static const bionic_id bio_ads( "bio_ads" );
 static const bionic_id bio_advreactor( "bio_advreactor" );
-static const bionic_id bio_blade( "bio_blade" );
-static const bionic_id bio_claws( "bio_claws" );
 static const bionic_id bio_faraday( "bio_faraday" );
 static const bionic_id bio_furnace( "bio_furnace" );
 static const bionic_id bio_heat_absorb( "bio_heat_absorb" );
 static const bionic_id bio_heatsink( "bio_heatsink" );
 static const bionic_id bio_hydraulics( "bio_hydraulics" );
-static const bionic_id bio_laser( "bio_laser" );
 static const bionic_id bio_leukocyte( "bio_leukocyte" );
-static const bionic_id bio_lightning( "bio_chain_lightning" );
 static const bionic_id bio_nanobots( "bio_nanobots" );
 static const bionic_id bio_ods( "bio_ods" );
 static const bionic_id bio_painkiller( "bio_painkiller" );