diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 3606497c..00000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/solutions/.DS_Store b/solutions/.DS_Store
deleted file mode 100644
index cce2b293..00000000
Binary files a/solutions/.DS_Store and /dev/null differ
diff --git a/solutions/punched_cards/punchedCardsREG.js b/solutions/punched_cards/punchedCardsREG.js
deleted file mode 100644
index f339c6f8..00000000
--- a/solutions/punched_cards/punchedCardsREG.js
+++ /dev/null
@@ -1,77 +0,0 @@
-'use strict';
-
-process.stdin.resume();
-process.stdin.setEncoding('utf-8');
-
-let inputString = '';
-let currentLine = 0;
-
-process.stdin.on('data', inputStdin => {
-  inputString += inputStdin;
-});
-
-process.stdin.on('end', _ => {
-  inputString = inputString.trim().split('\n').map(string => {
-    return string.trim();
-  });
-
-  main();
-});
-
-function readline() {
-  return inputString[currentLine++];
-}
-
-// Make a Snippet for the code above this and then write your logic in main();
-
-const draw = (row, col) => {
-    let rowN = '';
-    for (let r=0; r<row;r++){
-        for (let c=0; c<col; c++){
-            if(r<=1 && c<=1)
-                rowN += '.' ;
-            else if (c % 2 === 0){
-                if (r % 2 === 0)
-                    rowN += '+';
-                else
-                    rowN += '|';
-            }
-            else {
-                if (r % 2 !== 0)
-                    rowN += '.';
-                else
-                    rowN += '-';
-            }
-        }
-        rowN += '\n';
-    }
-    return rowN;
-};
-
-function solve() {
-    // Declare variables N and M.
-    var row, col;
-    // Read the integers from the standard input.
-    [row, col] = readline().split(' ').map(x => parseInt(x));
-    row = (row*2) +1; 
-    col = (col*2) +1; 
-  
-    // Compute the value of the sum modulo M.
-    let drawing = draw(row, col);
-  
-    // Print the result onto the standard output.
-    process.stdout.write(drawing);
-}
-
-function main() {
-  // Declare and read the number of test cases.
-  var T;
-  T = parseInt(readline());
-
-  // Loop over the number of test cases.
-  for (var test_no = 1; test_no <= T; test_no++) {
-    process.stdout.write('Case #' + test_no + ': \n');
-    solve();
-  }
-}
-