diff --git a/island/grid.ts b/island/grid.ts
index f6e35c2..ce605d3 100644
--- a/island/grid.ts
+++ b/island/grid.ts
@@ -1,5 +1,5 @@
 import { Prng, UINT_MAX, mulberry32 } from "../lib/prng";
-import { BEACH, ICECAP, WATER } from "./data";
+import { WATER } from "./data";
 import {
   ALL_ISLANDS,
   BIG_ISLANDS,
@@ -7,7 +7,6 @@ import {
   LobeGenerator,
   NO_ISLAND,
   ROCKY_ISLANDS,
-  SINKHOLE,
   SMALL_ISLANDS,
   VOIDS,
 } from "./generators";