diff --git a/biome.jsonc b/biome.jsonc
index 360091f1908..377ccaf53fb 100644
--- a/biome.jsonc
+++ b/biome.jsonc
@@ -48,7 +48,11 @@
         "noUnusedVariables": "error",
         "noSwitchDeclarations": "error",
         "noVoidTypeReturn": "error",
-        "noUnusedImports": "error"
+        "noUnusedImports": {
+          "level": "error",
+          "fix": "safe"
+        },
+        "noUnusedFunctionParameters": "error"
       },
       "style": {
         "useEnumInitializers": "off", // large enums like Moves/Species would make this cumbersome
@@ -104,7 +108,8 @@
         "noBannedTypes": "warn" // TODO: Refactor and make this an error
       },
       "performance": {
-        "noNamespaceImport": "error"
+        "noNamespaceImport": "error",
+        "noDelete": "error"
       }
     }
   },
diff --git a/src/phases/attempt-run-phase.ts b/src/phases/attempt-run-phase.ts
index 5e24f3474a6..9a444bc68fe 100644
--- a/src/phases/attempt-run-phase.ts
+++ b/src/phases/attempt-run-phase.ts
@@ -38,14 +38,11 @@ export class AttemptRunPhase extends PokemonPhase {
         alpha: 0,
         duration: 250,
         ease: "Sine.easeIn",
-        onComplete: () =>
-          // biome-ignore lint/complexity/noForEach: TODO
-          enemyField.forEach(enemyPokemon => enemyPokemon.destroy()),
+        onComplete: () => enemyField.forEach(enemyPokemon => enemyPokemon.destroy()),
       });
 
       globalScene.clearEnemyHeldItemModifiers();
 
-      // biome-ignore lint/complexity/noForEach: TODO
       enemyField.forEach(enemyPokemon => {
         enemyPokemon.hideInfo().then(() => enemyPokemon.destroy());
         enemyPokemon.hp = 0;
diff --git a/src/system/game-data.ts b/src/system/game-data.ts
index e857e2e06a1..0269b2f8f86 100644
--- a/src/system/game-data.ts
+++ b/src/system/game-data.ts
@@ -939,7 +939,7 @@ export class GameData {
   }
 
   getSession(slotId: number): Promise<SessionSaveData | null> {
-    // biome-ignore lint/suspicious/noAsyncPromiseExecutor: <explanation>
+    // biome-ignore lint/suspicious/noAsyncPromiseExecutor: TODO: fix this
     return new Promise(async (resolve, reject) => {
       if (slotId < 0) {
         return resolve(null);
@@ -980,7 +980,7 @@ export class GameData {
   }
 
   loadSession(slotId: number, sessionData?: SessionSaveData): Promise<boolean> {
-    // biome-ignore lint/suspicious/noAsyncPromiseExecutor: <explanation>
+    // biome-ignore lint/suspicious/noAsyncPromiseExecutor: TODO: fix this
     return new Promise(async (resolve, reject) => {
       try {
         const initSessionFromData = async (sessionData: SessionSaveData) => {
diff --git a/src/ui/starter-select-ui-handler.ts b/src/ui/starter-select-ui-handler.ts
index 20f613fb694..0396ac07cc6 100644
--- a/src/ui/starter-select-ui-handler.ts
+++ b/src/ui/starter-select-ui-handler.ts
@@ -2822,7 +2822,6 @@ export default class StarterSelectUiHandler extends MessageUiHandler {
     iconElement: GameObjects.Sprite,
     controlLabel: GameObjects.Text,
   ): void {
-    // biome-ignore lint/suspicious/noImplicitAnyLet: TODO
     let iconPath: string;
     // touch controls cannot be rebound as is, and are just emulating a keyboard event.
     // Additionally, since keyboard controls can be rebound (and will be displayed when they are), we need to have special handling for the touch controls