diff --git a/Makefile b/Makefile
index 6e335a94..49cc295a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-APPS = dapps collections crypto pub-sub heartbeat motoko
+APPS = collections
 
 all:
 	$(foreach test_dir,$(APPS),make -C $(test_dir) &&) true
diff --git a/collections/perf.sh b/collections/perf.sh
index 5c67c89c..be341918 100644
--- a/collections/perf.sh
+++ b/collections/perf.sh
@@ -3,16 +3,16 @@ load "../prelude.sh";
 
 // use smaller page_limit to speed things up, since the whole trace is too large even with 256M.
 let mo_config = record { start_page = 16; page_limit = 128 };
-let hashmap = wasm_profiling("motoko/.dfx/local/canisters/hashmap/hashmap.wasm", mo_config);
-let triemap = wasm_profiling("motoko/.dfx/local/canisters/triemap/triemap.wasm", mo_config);
-let rbtree = wasm_profiling("motoko/.dfx/local/canisters/rbtree/rbtree.wasm", mo_config);
+//let hashmap = wasm_profiling("motoko/.dfx/local/canisters/hashmap/hashmap.wasm", mo_config);
+//let triemap = wasm_profiling("motoko/.dfx/local/canisters/triemap/triemap.wasm", mo_config);
+//let rbtree = wasm_profiling("motoko/.dfx/local/canisters/rbtree/rbtree.wasm", mo_config);
 let splay = wasm_profiling("motoko/.dfx/local/canisters/splay/splay.wasm", mo_config);
-let btree = wasm_profiling("motoko/.dfx/local/canisters/btreemap/btreemap.wasm", mo_config);
-let zhenya = wasm_profiling("motoko/.dfx/local/canisters/zhenya_hashmap/zhenya_hashmap.wasm", mo_config);
-let heap = wasm_profiling("motoko/.dfx/local/canisters/heap/heap.wasm", mo_config);
-let buffer = wasm_profiling("motoko/.dfx/local/canisters/buffer/buffer.wasm", mo_config);
-let vector = wasm_profiling("motoko/.dfx/local/canisters/vector/vector.wasm", mo_config);
-
+//let btree = wasm_profiling("motoko/.dfx/local/canisters/btreemap/btreemap.wasm", mo_config);
+//let zhenya = wasm_profiling("motoko/.dfx/local/canisters/zhenya_hashmap/zhenya_hashmap.wasm", mo_config);
+//let heap = wasm_profiling("motoko/.dfx/local/canisters/heap/heap.wasm", mo_config);
+//let buffer = wasm_profiling("motoko/.dfx/local/canisters/buffer/buffer.wasm", mo_config);
+//let vector = wasm_profiling("motoko/.dfx/local/canisters/vector/vector.wasm", mo_config);
+/*
 let rs_config = record { start_page = 1; page_limit = 128 };
 let hashmap_rs = wasm_profiling("rust/.dfx/local/canisters/hashmap/hashmap.wasm", rs_config);
 let btreemap_rs = wasm_profiling("rust/.dfx/local/canisters/btreemap/btreemap.wasm", rs_config);
@@ -22,9 +22,7 @@ let heap_stable_rs = wasm_profiling("rust/.dfx/local/canisters/heap_stable/heap_
 let imrc_hashmap_rs = wasm_profiling("rust/.dfx/local/canisters/imrc_hashmap/imrc_hashmap.wasm", rs_config);
 let vector_rs = wasm_profiling("rust/.dfx/local/canisters/vector/vector.wasm", rs_config);
 let vector_stable_rs = wasm_profiling("rust/.dfx/local/canisters/vector_stable/vector_stable.wasm", rs_config);
-
-//let movm_rs = wasm_profiling("rust/.dfx/local/canisters/movm/movm.wasm");
-//let movm_dynamic_rs = wasm_profiling("rust/.dfx/local/canisters/movm_dynamic/movm_dynamic.wasm");
+*/
 
 let file = "README.md";
 
@@ -66,10 +64,13 @@ function perf(wasm, title, init, batch) {
 let init_size = 1_000_000;
 let batch_size = 50;
 output(file, "\n## Map\n\n| |binary_size|generate 1m|max mem|batch_get 50|batch_put 50|batch_remove 50|upgrade|\n|--:|--:|--:|--:|--:|--:|--:|--:|\n");
+/*
 perf(hashmap, "hashmap", init_size, batch_size);
 perf(triemap, "triemap", init_size, batch_size);
 perf(rbtree, "rbtree", init_size, batch_size);
+*/
 perf(splay, "splay", init_size, batch_size);
+/*
 perf(btree, "btree", init_size, batch_size);
 perf(zhenya, "zhenya_hashmap", init_size, batch_size);
 perf(btreemap_rs, "btreemap_rs", init_size, batch_size);
@@ -96,13 +97,5 @@ perf(heap_rs, "heap_rs", init_size, batch_size);
 perf(heap_stable_rs, "heap_stable_rs", init_size, batch_size);
 perf(vector_rs, "vec_rs", init_size, batch_size);
 perf(vector_stable_rs, "vec_stable_rs", init_size, batch_size);
-
-/*
-let movm_size = 10000;
-output(file, "\n## MoVM\n\n| |binary_size|generate 10k|max mem|batch_get 50|batch_put 50|batch_remove 50|\n|--:|--:|--:|--:|--:|--:|--:|\n");
-perf(hashmap, "hashmap", movm_size);
-perf(hashmap_rs, "hashmap_rs", movm_size);
-perf(imrc_hashmap_rs, "imrc_hashmap_rs", movm_size);
-perf(movm_rs, "movm_rs", movm_size);
-perf(movm_dynamic_rs, "movm_dynamic_rs", movm_size);
 */
+