diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 13202ce4e76..13dea32342a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -204,11 +204,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // run self-test implementations
     // code here
     return 0;
diff --git a/data_structures/sparse_table.cpp b/data_structures/sparse_table.cpp
index 7b3d74b90c3..7e3faacaa50 100644
--- a/data_structures/sparse_table.cpp
+++ b/data_structures/sparse_table.cpp
@@ -155,11 +155,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // run self-test implementations
     return 0;
 }
diff --git a/data_structures/tree_234.cpp b/data_structures/tree_234.cpp
index 46de03bfaef..5d79e32f9b0 100644
--- a/data_structures/tree_234.cpp
+++ b/data_structures/tree_234.cpp
@@ -1291,8 +1291,8 @@ static void test2(int64_t n) {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
+ * @param argc commandline argument count
+ * @param argv commandline array of arguments
  * @returns 0 on exit
  */
 int main(int argc, char *argv[]) {
diff --git a/dynamic_programming/fibonacci_bottom_up.cpp b/dynamic_programming/fibonacci_bottom_up.cpp
index 555f15282f4..dcc2b9a7232 100644
--- a/dynamic_programming/fibonacci_bottom_up.cpp
+++ b/dynamic_programming/fibonacci_bottom_up.cpp
@@ -11,7 +11,7 @@ int fib(int n) {
     }
     return res[1];
 }
-int main(int argc, char const *argv[]) {
+int main() {
     int n;
     cout << "Enter n: ";
     cin >> n;
diff --git a/dynamic_programming/longest_increasing_subsequence.cpp b/dynamic_programming/longest_increasing_subsequence.cpp
index 8c8f97c438e..dc20ad44926 100644
--- a/dynamic_programming/longest_increasing_subsequence.cpp
+++ b/dynamic_programming/longest_increasing_subsequence.cpp
@@ -74,11 +74,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char const *argv[]) {
+int main() {
     uint32_t n = 0;
 
     std::cout << "Enter size of array: ";
diff --git a/dynamic_programming/longest_increasing_subsequence_nlogn.cpp b/dynamic_programming/longest_increasing_subsequence_nlogn.cpp
index b0a49d2dab0..5cf516baf3d 100644
--- a/dynamic_programming/longest_increasing_subsequence_nlogn.cpp
+++ b/dynamic_programming/longest_increasing_subsequence_nlogn.cpp
@@ -29,7 +29,7 @@ int LIS(const std::vector<int>& arr, int n) {
     }
     return active.size();  // size of the LIS.
 }
-int main(int argc, char const* argv[]) {
+int main() {
     int n;
     cout << "Enter size of array: ";
     cin >> n;
diff --git a/dynamic_programming/maximum_circular_subarray.cpp b/dynamic_programming/maximum_circular_subarray.cpp
index d32ac64e9b8..c620000d6cc 100644
--- a/dynamic_programming/maximum_circular_subarray.cpp
+++ b/dynamic_programming/maximum_circular_subarray.cpp
@@ -80,11 +80,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
      test();  // run self-test implementations
      return 0;
 }
diff --git a/dynamic_programming/minimum_edit_distance.cpp b/dynamic_programming/minimum_edit_distance.cpp
index 8664ccb4513..4ba2c6f63ed 100644
--- a/dynamic_programming/minimum_edit_distance.cpp
+++ b/dynamic_programming/minimum_edit_distance.cpp
@@ -166,11 +166,9 @@ static void test() {
 
 /**
  * @brief main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // run self-test implementations
     return 0;
 }
diff --git a/graph/hamiltons_cycle.cpp b/graph/hamiltons_cycle.cpp
index 1506b78d2fc..290e54c8fb6 100644
--- a/graph/hamiltons_cycle.cpp
+++ b/graph/hamiltons_cycle.cpp
@@ -136,10 +136,8 @@ static void test3() {
 /**
  * Main function
  *
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  */
-int main(int argc, char **argv) {
+int main() {
     test1();
     test2();
     test3();
diff --git a/machine_learning/k_nearest_neighbors.cpp b/machine_learning/k_nearest_neighbors.cpp
index 92621862ccf..4c855c891b0 100644
--- a/machine_learning/k_nearest_neighbors.cpp
+++ b/machine_learning/k_nearest_neighbors.cpp
@@ -186,11 +186,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @return int 0 on exit
  */
-int main(int argc, char* argv[]) {
+int main() {
     test();  // run self-test implementations
     return 0;
 }
diff --git a/machine_learning/kohonen_som_topology.cpp b/machine_learning/kohonen_som_topology.cpp
index cccc9faa372..40b3e6414b5 100644
--- a/machine_learning/kohonen_som_topology.cpp
+++ b/machine_learning/kohonen_som_topology.cpp
@@ -579,7 +579,7 @@ double get_clock_diff(clock_t start_t, clock_t end_t) {
 }
 
 /** Main function */
-int main(int argc, char **argv) {
+int main() {
 #ifdef _OPENMP
     std::cout << "Using OpenMP based parallelization\n";
 #else
diff --git a/machine_learning/kohonen_som_trace.cpp b/machine_learning/kohonen_som_trace.cpp
index 63a0c02c65f..bd4ffec8386 100644
--- a/machine_learning/kohonen_som_trace.cpp
+++ b/machine_learning/kohonen_som_trace.cpp
@@ -454,7 +454,7 @@ double get_clock_diff(clock_t start_t, clock_t end_t) {
 }
 
 /** Main function */
-int main(int argc, char **argv) {
+int main() {
 #ifdef _OPENMP
     std::cout << "Using OpenMP based parallelization\n";
 #else
diff --git a/math/eulers_totient_function.cpp b/math/eulers_totient_function.cpp
index 768034327da..9105d99f2e9 100644
--- a/math/eulers_totient_function.cpp
+++ b/math/eulers_totient_function.cpp
@@ -72,11 +72,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();
     return 0;
 }
diff --git a/math/modular_division.cpp b/math/modular_division.cpp
index d37341b4a47..6a95f4fa91f 100644
--- a/math/modular_division.cpp
+++ b/math/modular_division.cpp
@@ -106,11 +106,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // execute the tests
     return 0;
 }
diff --git a/math/n_choose_r.cpp b/math/n_choose_r.cpp
index 5e151f39a84..2031cf2002b 100644
--- a/math/n_choose_r.cpp
+++ b/math/n_choose_r.cpp
@@ -73,11 +73,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // executing tests
     return 0;
 }
diff --git a/math/realtime_stats.cpp b/math/realtime_stats.cpp
index 672acfa03b9..6fe7d1bde68 100644
--- a/math/realtime_stats.cpp
+++ b/math/realtime_stats.cpp
@@ -155,7 +155,7 @@ void test_function(const float *test_data, const int number_of_samples) {
 }
 
 /** Main function */
-int main(int argc, char **argv) {
+int main() {
     const float test_data1[] = {3, 4, 5, -1.4, -3.6, 1.9, 1.};
     test_function(test_data1, sizeof(test_data1) / sizeof(test_data1[0]));
 
diff --git a/numerical_methods/babylonian_method.cpp b/numerical_methods/babylonian_method.cpp
index a70fa993e01..18a8d42e258 100644
--- a/numerical_methods/babylonian_method.cpp
+++ b/numerical_methods/babylonian_method.cpp
@@ -87,13 +87,11 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * calls automated test function to test the working of fast fourier transform.
  * @returns 0 on exit
  */
 
-int main(int argc, char const *argv[]) {
+int main() {
     test();  //  run self-test implementations
              //  with 2 defined test cases
     return 0;
diff --git a/numerical_methods/composite_simpson_rule.cpp b/numerical_methods/composite_simpson_rule.cpp
index 2ca58cbe4c0..f1ec3cd166c 100644
--- a/numerical_methods/composite_simpson_rule.cpp
+++ b/numerical_methods/composite_simpson_rule.cpp
@@ -163,8 +163,8 @@ static void test(std::int32_t N, double h, double a, double b,
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
+ * @param argc commandline argument count
+ * @param argv commandline array of arguments
  * @returns 0 on exit
  */
 int main(int argc, char** argv) {
diff --git a/numerical_methods/fast_fourier_transform.cpp b/numerical_methods/fast_fourier_transform.cpp
index 392789ea710..ce01069a648 100644
--- a/numerical_methods/fast_fourier_transform.cpp
+++ b/numerical_methods/fast_fourier_transform.cpp
@@ -154,13 +154,11 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * calls automated test function to test the working of fast fourier transform.
  * @returns 0 on exit
  */
 
-int main(int argc, char const *argv[]) {
+int main() {
     test();  //  run self-test implementations
              //  with 2 defined test cases
     return 0;
diff --git a/numerical_methods/inverse_fast_fourier_transform.cpp b/numerical_methods/inverse_fast_fourier_transform.cpp
index 928a20da802..7ab806b228d 100644
--- a/numerical_methods/inverse_fast_fourier_transform.cpp
+++ b/numerical_methods/inverse_fast_fourier_transform.cpp
@@ -148,13 +148,11 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * calls automated test function to test the working of fast fourier transform.
  * @returns 0 on exit
  */
 
-int main(int argc, char const *argv[]) {
+int main() {
     test();  //  run self-test implementations
              //  with 2 defined test cases
     return 0;
diff --git a/numerical_methods/lu_decompose.cpp b/numerical_methods/lu_decompose.cpp
index 66f1a855139..19d29aad255 100644
--- a/numerical_methods/lu_decompose.cpp
+++ b/numerical_methods/lu_decompose.cpp
@@ -81,7 +81,7 @@ void test2() {
 }
 
 /** Main function */
-int main(int argc, char **argv) {
+int main() {
     std::srand(std::time(NULL));  // random number initializer
 
     test1();
diff --git a/numerical_methods/midpoint_integral_method.cpp b/numerical_methods/midpoint_integral_method.cpp
index 3eab8fd1e2d..76ab6408268 100644
--- a/numerical_methods/midpoint_integral_method.cpp
+++ b/numerical_methods/midpoint_integral_method.cpp
@@ -155,8 +155,8 @@ static void test(std::int32_t N, double h, double a, double b,
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
+ * @param argc commandline argument count
+ * @param argv commandline array of arguments
  * @returns 0 on exit
  */
 int main(int argc, char** argv) {
diff --git a/operations_on_datastructures/inorder_successor_of_bst.cpp b/operations_on_datastructures/inorder_successor_of_bst.cpp
index a91c0d71528..8da46cb92ca 100644
--- a/operations_on_datastructures/inorder_successor_of_bst.cpp
+++ b/operations_on_datastructures/inorder_successor_of_bst.cpp
@@ -391,11 +391,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // run self-test implementations
 
     operations_on_datastructures::inorder_traversal_of_bst::Node *root =
diff --git a/operations_on_datastructures/trie_multiple_search.cpp b/operations_on_datastructures/trie_multiple_search.cpp
index 6dbb9d338d6..54211daee8c 100644
--- a/operations_on_datastructures/trie_multiple_search.cpp
+++ b/operations_on_datastructures/trie_multiple_search.cpp
@@ -459,11 +459,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char const *argv[]) {
+int main() {
     test();  // run self-test implementations
     return 0;
 }
diff --git a/probability/windowed_median.cpp b/probability/windowed_median.cpp
index 52c70ae2487..95ce8eb3fb5 100644
--- a/probability/windowed_median.cpp
+++ b/probability/windowed_median.cpp
@@ -191,11 +191,9 @@ static void test(const std::vector<int> &vals, int windowSize) {
 
 /**
  * @brief Main function
- * @param argc command line argument count (ignored)
- * @param argv command line array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, const char *argv[]) {
+int main() {
     /// A few fixed test cases
     test({1, 2, 3, 4, 5, 6, 7, 8, 9},
          3);  /// Array of sorted values; odd window size
diff --git a/search/sublist_search.cpp b/search/sublist_search.cpp
index bb63cac0fa5..bb4e485a018 100644
--- a/search/sublist_search.cpp
+++ b/search/sublist_search.cpp
@@ -353,11 +353,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // run self-test implementations
 
     std::vector<uint64_t> mainlistData = {
diff --git a/sorting/non_recursive_merge_sort.cpp b/sorting/non_recursive_merge_sort.cpp
index b99b931080b..47bf97e9d3d 100644
--- a/sorting/non_recursive_merge_sort.cpp
+++ b/sorting/non_recursive_merge_sort.cpp
@@ -91,7 +91,7 @@ void non_recursive_merge_sort(const Iterator first, const Iterator last) {
 
 using sorting::non_recursive_merge_sort;
 
-int main(int argc, char** argv) {
+int main() {
     int size;
     std::cout << "Enter the number of elements : ";
     std::cin >> size;
diff --git a/sorting/radix_sort.cpp b/sorting/radix_sort.cpp
index a0fbfe99ee5..01f3aed9c04 100644
--- a/sorting/radix_sort.cpp
+++ b/sorting/radix_sort.cpp
@@ -49,7 +49,7 @@ void print(int a[], int n) {
     std::cout << std::endl;
 }
 
-int main(int argc, char const* argv[]) {
+int main() {
     int a[] = {170, 45, 75, 90, 802, 24, 2, 66};
     int n = sizeof(a) / sizeof(a[0]);
     radixsort(a, n);
diff --git a/sorting/random_pivot_quick_sort.cpp b/sorting/random_pivot_quick_sort.cpp
index a6ed19f1296..e514cbb0f9d 100644
--- a/sorting/random_pivot_quick_sort.cpp
+++ b/sorting/random_pivot_quick_sort.cpp
@@ -316,11 +316,9 @@ static void test() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
-int main(int argc, char *argv[]) {
+int main() {
     test();  // Executes various test cases.
 
     const int64_t inputSize = 10;
diff --git a/sorting/stooge_sort.cpp b/sorting/stooge_sort.cpp
index b1f01321ae2..735cbb31222 100644
--- a/sorting/stooge_sort.cpp
+++ b/sorting/stooge_sort.cpp
@@ -72,8 +72,6 @@ void test3() {
 
 /**
  * @brief Main function
- * @param argc commandline argument count (ignored)
- * @param argv commandline array of arguments (ignored)
  * @returns 0 on exit
  */
 int main() {