diff --git a/04-MatrixAddition (pthread)/matAddThread b/04-MatrixAddition (pthread)/matAddThread
index 4443b91..d1d320d 100644
Binary files a/04-MatrixAddition (pthread)/matAddThread and b/04-MatrixAddition (pthread)/matAddThread differ
diff --git a/04-MatrixAddition (pthread)/matAddThread2 b/04-MatrixAddition (pthread)/matAddThread2
deleted file mode 100644
index 3b40ef6..0000000
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diff --git a/04-MatrixAddition (pthread)/matAddThread2.c b/04-MatrixAddition (pthread)/matAddThread2.c
deleted file mode 100644
index 1699959..0000000
--- a/04-MatrixAddition (pthread)/matAddThread2.c	
+++ /dev/null
@@ -1,72 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <pthread.h>
-
-#define NUM_THREADS 4
-
-int *matrix1;
-int *matrix2;
-int *result;
-int num_rows;
-int num_cols;
-
-void *matrix_addition(void *arg) {
-    int thread_id = *(int *)arg;
-    int i, j;
-    for (i = thread_id; i < num_rows; i += NUM_THREADS) {
-        for (j = 0; j < num_cols; j++) {
-            int index = i * num_cols + j;
-            result[index] = matrix1[index] + matrix2[index];
-        }
-    }
-    pthread_exit(NULL);
-}
-
-int main() {
-    int i, j;
-    num_rows = 3;
-    num_cols = 3;
-
-    // Allocate memory for matrices
-    matrix1 = malloc(num_rows * num_cols * sizeof(int));
-    matrix2 = malloc(num_rows * num_cols * sizeof(int));
-    result = malloc(num_rows * num_cols * sizeof(int));
-
-    // Initialize matrices
-    for (i = 0; i < num_rows; i++) {
-        for (j = 0; j < num_cols; j++) {
-            int index = i * num_cols + j;
-            matrix1[index] = rand() % 10;
-            matrix2[index] = rand() % 10;
-        }
-    }
-
-    // Create threads
-    pthread_t threads[NUM_THREADS];
-    int thread_ids[NUM_THREADS];
-    for (i = 0; i < NUM_THREADS; i++) {
-        thread_ids[i] = i;
-        pthread_create(&threads[i], NULL, matrix_addition, &thread_ids[i]);
-    }
-
-    // Join threads
-    for (i = 0; i < NUM_THREADS; i++) {
-        pthread_join(threads[i], NULL);
-    }
-
-    // Print result matrix
-    printf("Result matrix:\n");
-    for (i = 0; i < num_rows; i++) {
-        for (j = 0; j < num_cols; j++) {
-            printf("%d ", result[i * num_cols + j]);
-        }
-        printf("\n");
-    }
-
-    // Free memory
-    free(matrix1);
-    free(matrix2);
-    free(result);
-
-    return 0;
-}