diff --git a/Others/PlayfairCipher.cpp b/Others/PlayfairCipher.cpp
deleted file mode 100644
index fdb327cfc..000000000
--- a/Others/PlayfairCipher.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#include <iostream>
-#include <string>
-#include <vector>
-#define ENGLISH_ABC "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-
-using namespace std;
-
-inline pair<uint8_t, uint8_t> getCoordinate(char*code_table,const char character) {
-        for (uint8_t x(0); x < 5;x++) {
-                for (uint8_t y(0); y < 5;y++) {
-                        if (*(code_table + (x * 5) + y) == character)
-                                return make_pair(x, y);
-                }
-        }
-}
-string playfair(string str, string keyword) {
-
-        char code_table[5][5];
-        int32_t keyword_index(-1);
-
-        string::iterator str_iter = str.begin(), keywor_iter = keyword.begin();
-
-        while (str_iter != str.end() || keywor_iter != keyword.end())
-        {
-                if (str_iter != str.end()) {
-                        if ((*str_iter = toupper(*str_iter)) >= 'A' && *str_iter <= 'Z')
-                                str_iter++;
-                        else str.erase(str_iter);
-                 }
-                if (keywor_iter != keyword.end()) {
-                        if ((*keywor_iter = toupper(*keywor_iter)) >= 'A' && *keywor_iter <= 'Z')
-                                keywor_iter++;
-                        else keyword.erase(keywor_iter);
-                }
-        }
-        if (str.length() == 0)return str;
-
-        keyword.append(ENGLISH_ABC);
-        for (uint8_t x(0); x < 5;x++) {
-                for (uint8_t y(0); y < 5;y++) {
-                        while (true)
-                        {
-                                if (keyword.find_first_of(keyword.at(++keyword_index)) == keyword_index){
-                                        code_table[x][y] = keyword.at(keyword_index);
-                                        break;
-                                }
-                        }
-                }
-        }
-
-        for (string::iterator iter = str.begin() + 1; iter != str.end(); iter+= iter == str.end() - 1 ? 1 : 2) {
-                if (*(iter - 1) == *iter)
-                        str.insert(iter, 'x');
-        }
-        if (str.length() % 2 != 0) str.append("x");
-
-        for (string::iterator iter = str.begin(); iter != str.end(); iter += 2) {
-                pair<pair<uint8_t, uint8_t>, pair<uint8_t, uint8_t>> character_pair_coordinate;
-                character_pair_coordinate.first = getCoordinate(&code_table[0][0], *iter);
-                character_pair_coordinate.second = getCoordinate(&code_table[0][0], *(iter + 1));
-                if (character_pair_coordinate.first.first == character_pair_coordinate.second.first) // x1 == x2
-                {
-                        *iter = (code_table[character_pair_coordinate.first.first][(character_pair_coordinate.first.second + 1) % 5]);
-                        *(iter + 1) = (code_table[character_pair_coordinate.second.first][(character_pair_coordinate.second.second + 1) % 5]);
-                }
-                else if (character_pair_coordinate.first.second == character_pair_coordinate.second.second) //y1 == y2
-                {
-                        *iter = (code_table[(character_pair_coordinate.first.first + 1) % 5][character_pair_coordinate.first.second]);
-                        *(iter + 1) = (code_table[(character_pair_coordinate.second.first + 1) % 5][character_pair_coordinate.second.second]);
-                }
-                else
-                {
-                        *iter = (code_table[character_pair_coordinate.first.first ][character_pair_coordinate.second.second]);
-                        *(iter + 1) = (code_table[character_pair_coordinate.second.first][character_pair_coordinate.first.second]);
-            }
-        }
-
-        return str;
-}
-int main(){
-    playfair("Welcome from Hungary!","playfair"); //return the encrypted text
-    return 0;
-}