diff --git a/src/compat/_internal/setToEntries.ts b/src/compat/_internal/setToEntries.ts
index 304d4ba00..6373f9968 100644
--- a/src/compat/_internal/setToEntries.ts
+++ b/src/compat/_internal/setToEntries.ts
@@ -1,10 +1,11 @@
-export function setToEntries(set: Set<any>) {
-  const arr = new Array(set.size);
+export function setToEntries<T>(set: Set<T>): [T, T][] {
+  const arr = new Array<[T, T]>(set.size);
   const values = set.values();
 
   for (let i = 0; i < arr.length; i++) {
-    const value = values.next().value;
+    const value = values.next().value as T;
     arr[i] = [value, value];
   }
+
   return arr;
 }
diff --git a/src/compat/_internal/toKey.ts b/src/compat/_internal/toKey.ts
index 55ac4b578..21949bfbd 100644
--- a/src/compat/_internal/toKey.ts
+++ b/src/compat/_internal/toKey.ts
@@ -2,10 +2,10 @@
  * Converts `value` to a string key if it's not a string or symbol.
  *
  * @private
- * @param {*} value The value to inspect.
+ * @param {unknown} value The value to inspect.
  * @returns {string|symbol} Returns the key.
  */
-export function toKey(value: any) {
+export function toKey(value: unknown): string | symbol {
   if (typeof value === 'string' || typeof value === 'symbol') {
     return value;
   }