diff --git a/src/character.cpp b/src/character.cpp
index 4200a308d5a2a..c6ffc29abec73 100644
--- a/src/character.cpp
+++ b/src/character.cpp
@@ -401,7 +401,6 @@ static const species_id species_HUMAN( "HUMAN" );
 static const start_location_id start_location_sloc_shelter_a( "sloc_shelter_a" );
 
 static const trait_id trait_ADRENALINE( "ADRENALINE" );
-static const trait_id trait_ANTENNAE( "ANTENNAE" );
 static const trait_id trait_BADBACK( "BADBACK" );
 static const trait_id trait_BIRD_EYE( "BIRD_EYE" );
 static const trait_id trait_CANNIBAL( "CANNIBAL" );
@@ -11308,9 +11307,6 @@ bool Character::sees( const Creature &critter ) const
     if( std::abs( pos_bub().z() - critter.pos_bub().z() ) > fov_3d_z_range ) {
         return false;
     }
-    if( dist <= 3 && has_active_mutation( trait_ANTENNAE ) ) {
-        return true;
-    }
     if( dist < MAX_CLAIRVOYANCE && dist < clairvoyance() ) {
         return true;
     }