diff --git a/src/game.cpp b/src/game.cpp
index 1cfd44acc79b6..95dcace0a6e9d 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -1501,7 +1501,6 @@ bool game::do_turn()
     sounds::process_sounds();
     // Update vision caches for monsters. If this turns out to be expensive,
     // consider a stripped down cache just for monsters.
-    m.invalidate_map_cache( get_levz() );
     m.build_map_cache( get_levz(), true );
     monmove();
     if( calendar::once_every( 3_minutes ) ) {
@@ -3148,7 +3147,6 @@ void game::draw()
 
     //temporary fix for updating visibility for minimap
     ter_view_z = ( u.pos() + u.view_offset ).z;
-    m.invalidate_map_cache( ter_view_z );
     m.build_map_cache( ter_view_z );
     m.update_visibility_cache( ter_view_z );
 
diff --git a/src/handle_action.cpp b/src/handle_action.cpp
index 4d3d94f7a4f1d..9b8189e5a3ec0 100644
--- a/src/handle_action.cpp
+++ b/src/handle_action.cpp
@@ -1951,7 +1951,6 @@ bool game::handle_action()
                     add_msg( m_info, _( "You can't disassemble items while you're riding." ) );
                 } else {
                     u.disassemble();
-                    g->m.invalidate_map_cache( g->get_levz() );
                     refresh_all();
                 }
                 break;