diff --git a/1-two-sum/1-two-sum.py b/1-two-sum/1-two-sum.py
deleted file mode 100644
index 3e543b6..0000000
--- a/1-two-sum/1-two-sum.py
+++ /dev/null
@@ -1,11 +0,0 @@
-class Solution(object):
-    def twoSum(self, nums, target):
-        """
-        :type nums: List[int]
-        :type target: int
-        :rtype: List[int]
-        """
-        for i in range(len(nums)):
-            for j in range(i + 1, len(nums)):
-                if nums[i] + nums[j] == target:
-                    return [i, j]
\ No newline at end of file
diff --git a/1-two-sum/NOTES.md b/1-two-sum/NOTES.md
deleted file mode 100644
index 38c1374..0000000
--- a/1-two-sum/NOTES.md
+++ /dev/null
@@ -1 +0,0 @@
-​
\ No newline at end of file