diff --git a/floorshapes.cpp b/floorshapes.cpp
index 6f4f461c..15979ff7 100644
--- a/floorshapes.cpp
+++ b/floorshapes.cpp
@@ -478,6 +478,9 @@ void generate_floorshapes_for(int id, cell *c, int siid, int sidir) {
 void generate_floorshapes() {
 
   if(0);
+  
+  else if(binarytiling && DIM == 3) ;
+  
   #if CAP_IRR
   else if(IRREGULAR) {
     printf("generating irregular floorshapes...\n");
@@ -622,6 +625,9 @@ void set_floor(const transmatrix& spin, hpcshape& sh) {
 
 void draw_shapevec(cell *c, const transmatrix& V, const vector<hpcshape> &shv, color_t col, PPR prio = PPR::DEFAULT) {
   if(!c) queuepolyat(V, shv[0], col, prio);
+  #if CAP_BT
+  else if(DIM == 3) ;
+  #endif
   #if CAP_GP
   else if(GOLDBERG) {
     int id = gp::get_plainshape_id(c);