diff --git a/step3 b/step3
deleted file mode 100644
index b15b864..0000000
--- a/step3
+++ /dev/null
@@ -1,69 +0,0 @@
-#include <stdio.h>
-#include <time.h>
-#include <arm_neon.h> 
-
-#define IDX(n) ((n) % 3)
-
-float inputImage[5][5] = {
-    {1, 2, 3, 4, 5},
-    {6, 7, 8, 9, 10},
-    {11, 12, 13, 14, 15},
-    {16, 17, 18, 19, 20},
-    {21, 22, 23, 24, 25}
-};
-
-float kx[3] = { 1.0f / 4, 2.0f / 4, 1.0f / 4 };
-float ky[3] = { 1.0f / 4, 2.0f / 4, 1.0f / 4 };
-float buf[3][3] = { 0 };
-
-void applySeparableGaussianBlurNEON(float src[][5], float dst[][5], int h, int w, float kx[], float ky[3]) {
-    float32x4_t kx_vec = vld1q_f32(kx);
-    float32x4_t ky_vec = vld1q_f32(ky); 
-
-    for (int i = 1; i < 4; ++i) {
-        for (int j = 1; j < 4; j += 4) {
-            float32x4_t left = vld1q_f32(&src[i - 1][j - 1]);
-            float32x4_t center = vld1q_f32(&src[i][j - 1]);
-            float32x4_t right = vld1q_f32(&src[i + 1][j - 1]);
-
-            float32x4_t result_left = vmulq_f32(left, kx_vec); 
-            float32x4_t result_center = vmulq_f32(center, kx_vec); 
-            float32x4_t result_right = vmulq_f32(right, kx_vec);
-
-            float32x4_t total_result = vaddq_f32(result_left, result_center);
-            total_result = vaddq_f32(total_result, result_right);
-
-            vst1q_f32(&buf[i][j], total_result);
-        }
-    }
-
-    for (int i = 1; i < 4; ++i) {
-        for (int j = 1; j < 4; j++) {
-            float32x4_t buf_data = vld1q_f32(&buf[IDX(i - 1)][j]);
-
-            float32x4_t result = vmulq_f32(buf_data, ky_vec);
-
-            vst1q_f32(&dst[i][j], result);
-        }
-    }
-}
-
-int main() {
-    float outputImage[5][5] = {0};
-    clock_t start, end;
-
-    start = clock();
-    applySeparableGaussianBlurNEON(inputImage, outputImage, 5, 5, kx, ky);
-    end = clock();
-
-    double timeSpent = (double)(end - start) / CLOCKS_PER_SEC;
-
-    for (int i = 0; i < 5; i++) {
-        for (int j = 0; j < 5; j++) {
-            printf("%.6f ", outputImage[i][j]);
-        }
-        printf("\n");
-    }
-
-    printf("Time spent: %.6f seconds\n", timeSpent);
-}
\ No newline at end of file