diff --git a/solution/0100-0199/0191.Number of 1 Bits/solution.ts b/solution/0100-0199/0191.Number of 1 Bits/solution.ts
deleted file mode 100644
index 6085d8ff0332e..0000000000000
--- a/solution/0100-0199/0191.Number of 1 Bits/solution.ts	
+++ /dev/null
@@ -1,8 +0,0 @@
-function hammingWeight(n: number): number {
-    let ans: number = 0;
-    while (n !== 0) {
-        ans++;
-        n &= n - 1;
-    }
-    return ans;
-}
diff --git a/solution/2700-2799/2723.Add Two Promises/solution.js b/solution/2700-2799/2723.Add Two Promises/solution.js
deleted file mode 100644
index 00f1ab7ecd9fa..0000000000000
--- a/solution/2700-2799/2723.Add Two Promises/solution.js	
+++ /dev/null
@@ -1,3 +0,0 @@
-var addTwoPromises = async function (promise1, promise2) {
-    return (await promise1) + (await promise2);
-};