diff --git a/backend/src/api-keys/repositories/api-keys.repository.spec.ts b/backend/src/api-keys/repositories/api-keys.repository.spec.ts
index 0cd9d04..c70b2ed 100644
--- a/backend/src/api-keys/repositories/api-keys.repository.spec.ts
+++ b/backend/src/api-keys/repositories/api-keys.repository.spec.ts
@@ -23,7 +23,7 @@ describe("ApiKeysRepository", () => {
 		// biome-ignore lint/suspicious/noThenProperty: Necessary to mock Drizzle's awaitable query builder
 		Object.defineProperty(obj, "then", {
 			value: function (onFulfilled: (arg0: unknown) => void) {
-				const result = (this as any).execute();
+				const result = (this as Record<string, unknown>).execute();
 				return Promise.resolve(result).then(onFulfilled);
 			},
 			configurable: true,
diff --git a/backend/src/categories/repositories/categories.repository.spec.ts b/backend/src/categories/repositories/categories.repository.spec.ts
index 9585965..fb1f9ca 100644
--- a/backend/src/categories/repositories/categories.repository.spec.ts
+++ b/backend/src/categories/repositories/categories.repository.spec.ts
@@ -24,7 +24,7 @@ describe("CategoriesRepository", () => {
 		// biome-ignore lint/suspicious/noThenProperty: Necessary to mock Drizzle's awaitable query builder
 		Object.defineProperty(obj, "then", {
 			value: function (onFulfilled: (arg0: unknown) => void) {
-				const result = (this as any).execute();
+				const result = (this as Record<string, unknown>).execute();
 				return Promise.resolve(result).then(onFulfilled);
 			},
 			configurable: true,
diff --git a/backend/src/favorites/repositories/favorites.repository.spec.ts b/backend/src/favorites/repositories/favorites.repository.spec.ts
index 0abb289..4f5f0dc 100644
--- a/backend/src/favorites/repositories/favorites.repository.spec.ts
+++ b/backend/src/favorites/repositories/favorites.repository.spec.ts
@@ -21,10 +21,9 @@ describe("FavoritesRepository", () => {
 
 	const wrapWithThen = (obj: unknown) => {
 		// biome-ignore lint/suspicious/noThenProperty: Necessary to mock Drizzle's awaitable query builder
-		// biome-ignore lint/suspicious/noExplicitAny: Necessary to mock Drizzle's awaitable query builder
 		Object.defineProperty(obj, "then", {
 			value: function (onFulfilled: (arg0: unknown) => void) {
-				const result = (this as any).execute();
+				const result = (this as Record<string, unknown>).execute();
 				return Promise.resolve(result).then(onFulfilled);
 			},
 			configurable: true,
diff --git a/backend/src/media/media.controller.spec.ts b/backend/src/media/media.controller.spec.ts
index 84199b2..5a6a8c4 100644
--- a/backend/src/media/media.controller.spec.ts
+++ b/backend/src/media/media.controller.spec.ts
@@ -51,9 +51,7 @@ describe("MediaController", () => {
 
 		it("should throw NotFoundException if path is missing", async () => {
 			const res = {} as unknown as Response;
-			await expect(controller.getFile("", res)).rejects.toThrow(
-				NotFoundException,
-			);
+			await expect(controller.getFile("", res)).rejects.toThrow(NotFoundException);
 		});
 
 		it("should throw NotFoundException if file is not found", async () => {
diff --git a/backend/src/reports/repositories/reports.repository.spec.ts b/backend/src/reports/repositories/reports.repository.spec.ts
index 88e9683..bf55eba 100644
--- a/backend/src/reports/repositories/reports.repository.spec.ts
+++ b/backend/src/reports/repositories/reports.repository.spec.ts
@@ -23,10 +23,9 @@ describe("ReportsRepository", () => {
 
 	const wrapWithThen = (obj: unknown) => {
 		// biome-ignore lint/suspicious/noThenProperty: Necessary to mock Drizzle's awaitable query builder
-		// biome-ignore lint/suspicious/noExplicitAny: Necessary to mock Drizzle's awaitable query builder
 		Object.defineProperty(obj, "then", {
 			value: function (onFulfilled: (arg0: unknown) => void) {
-				const result = (this as any).execute();
+				const result = (this as Record<string, unknown>).execute();
 				return Promise.resolve(result).then(onFulfilled);
 			},
 			configurable: true,