diff --git a/deno.jsonc b/deno.jsonc
index 60af6de..234ed21 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -1,6 +1,5 @@
 {
   "lock": "./deno.lock",
-  "importMap": "./import_map.json",
   "tasks": {
     "udd": "deno run -r --allow-read=. --allow-write=. --allow-net https://deno.land/x/udd/main.ts deps.ts && deno task lock",
     "lock": "deno cache --lock-write deps.ts",
@@ -12,6 +11,9 @@
     "cf:serve": "deno run -A tasks/cf/dailies/serve/main.ts",
     "dnt": "deno run -A tasks/dnt/main.ts"
   },
+  "imports": {
+    "lc-dailies/": "./"
+  },
   "fmt": {
     "exclude": ["./npm"]
   },
diff --git a/import_map.json b/import_map.json
deleted file mode 100644
index a3145c5..0000000
--- a/import_map.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "imports": {
-    "lc-dailies/": "./"
-  }
-}
diff --git a/lib/leaderboard/scores.ts b/lib/leaderboard/scores.ts
index 1b7e47f..20c1a87 100644
--- a/lib/leaderboard/scores.ts
+++ b/lib/leaderboard/scores.ts
@@ -1,5 +1,4 @@
-import { DAY } from "lc-dailies/deps.ts";
-import type * as api from "lc-dailies/lib/api/mod.ts";
+import type * as api from "lc-dailies/lib/api/types.ts";
 
 /**
  * CalculateScoresOptions is the options for calculateScores.
@@ -128,7 +127,7 @@ export function makeDefaultCalculateScoresOptions(
     submissions,
     possibleHighestScore: 100,
     possibleLowestScore: 50,
-    duration: DAY,
+    duration: 1_000 * 60 * 60 * 24, // 1 day.
     modifyScore: defaultModifyScore,
   };
 }
diff --git a/tasks/dnt/main.ts b/tasks/dnt/main.ts
index 62d281f..b2a9fde 100644
--- a/tasks/dnt/main.ts
+++ b/tasks/dnt/main.ts
@@ -6,15 +6,10 @@ import { build, emptyDir } from "https://deno.land/x/dnt@0.38.1/mod.ts";
 await emptyDir("./npm");
 
 await build({
-  entryPoints: [
-    "./lib/api/types.ts",
-    "./lib/leaderboard/mod.ts",
-  ],
+  entryPoints: ["./lib/api/types.ts"],
   outDir: "./npm",
+  importMap: "./deno.jsonc",
   test: false,
-  typeCheck: false,
-  filterDiagnostic: () => false,
-  importMap: "./import_map.json",
   // see JS docs for overview and more options
   shims: { deno: true },
   package: {
@@ -31,8 +26,9 @@ await build({
       url: "https://github.com/acmcsufoss/lc-dailies/issues",
     },
   },
+  postBuild() {
+    // post build steps
+    Deno.copyFileSync("LICENSE", "npm/LICENSE");
+    Deno.copyFileSync("README.md", "npm/README.md");
+  },
 });
-
-// post build steps
-Deno.copyFileSync("LICENSE", "npm/LICENSE");
-Deno.copyFileSync("README.md", "npm/README.md");