diff --git a/.config/.prettierignore b/.config/.prettierignore
index 5130c98c0..91fb2132d 100644
--- a/.config/.prettierignore
+++ b/.config/.prettierignore
@@ -9,6 +9,7 @@
 ../src/test/renderer/specs
 ../src/test/renderer/testProject
 ../src/test/utils/options/readers/data/invalid2.json
+../src/test/converter2/behavior/benchmark.ts
 ../static/main.js
 ../example/docs/
 **/tmp
diff --git a/src/lib/output/router.ts b/src/lib/output/router.ts
index a3782fb79..1e380489c 100644
--- a/src/lib/output/router.ts
+++ b/src/lib/output/router.ts
@@ -2,7 +2,7 @@ import type { Application } from "../application.js";
 import { CategoryPlugin } from "../converter/plugins/CategoryPlugin.js";
 import { GroupPlugin } from "../converter/plugins/GroupPlugin.js";
 import {
-    Reflection,
+    type Reflection,
     type DeclarationReflection,
     ReflectionKind,
     type ProjectReflection,
@@ -517,12 +517,10 @@ export class GroupRouter extends BaseRouter {
     }
 
     protected override getIdealBaseName(reflection: Reflection): string {
-        const group = [
-            this.getGroup(reflection)
-                .split("/")
-                .map(createNormalizedUrl)
-                .join("/"),
-        ];
+        const group = this.getGroup(reflection)
+            .split("/")
+            .map(createNormalizedUrl)
+            .join("/");
         const parts = [createNormalizedUrl(reflection.name)];
         while (reflection.parent && !reflection.parent.isProject()) {
             reflection = reflection.parent;
@@ -556,12 +554,10 @@ export class CategoryRouter extends BaseRouter {
     }
 
     protected override getIdealBaseName(reflection: Reflection): string {
-        const cat = [
-            this.getCategory(reflection)
-                .split("/")
-                .map(createNormalizedUrl)
-                .join("/"),
-        ];
+        const cat = this.getCategory(reflection)
+            .split("/")
+            .map(createNormalizedUrl)
+            .join("/");
         const parts = [createNormalizedUrl(reflection.name)];
         while (reflection.parent && !reflection.parent.isProject()) {
             reflection = reflection.parent;
diff --git a/src/lib/output/themes/default/DefaultThemeRenderContext.ts b/src/lib/output/themes/default/DefaultThemeRenderContext.ts
index 9c71a05bb..0f5986b75 100644
--- a/src/lib/output/themes/default/DefaultThemeRenderContext.ts
+++ b/src/lib/output/themes/default/DefaultThemeRenderContext.ts
@@ -107,7 +107,7 @@ export class DefaultThemeRenderContext {
 
     /** Avoid this in favor of urlTo if possible */
     relativeURL = (url: string, cacheBust = false) => {
-        const result = this.theme.router!.baseRelativeUrl(this.page.model, url);
+        const result = this.router.baseRelativeUrl(this.page.model, url);
         if (cacheBust && this.theme.owner.cacheBust) {
             return result + `?cache=${this.theme.owner.renderStartTime}`;
         }
diff --git a/src/lib/utils/perf.ts b/src/lib/utils/perf.ts
index f61f29798..b4aabd9e7 100644
--- a/src/lib/utils/perf.ts
+++ b/src/lib/utils/perf.ts
@@ -34,7 +34,7 @@ export function bench<T extends (..._: any) => any>(
                     end();
                     return res;
                 },
-                (reason) => {
+                (reason: unknown) => {
                     end();
                     throw reason;
                 },
diff --git a/src/test/output/formatter.test.ts b/src/test/output/formatter.test.ts
index 1e0d7c3c7..b6fe59a12 100644
--- a/src/test/output/formatter.test.ts
+++ b/src/test/output/formatter.test.ts
@@ -29,7 +29,7 @@ import {
     FileRegistry,
     ParameterReflection,
     ProjectReflection,
-    Reflection,
+    type Reflection,
     ReflectionFlag,
     ReflectionKind,
     SignatureReflection,