diff --git a/src/c/test.cu b/src/c/test.cu
index a4d4086..c065c33 100644
--- a/src/c/test.cu
+++ b/src/c/test.cu
@@ -1,6 +1,5 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include "kernel.cu"
+#include <cstdlib>
+#include <cstdio>
 
 #define CUDA_ERRCHK(fn) { __gpucheck((fn), __FILE__, __LINE__); }
 
@@ -23,13 +22,13 @@ void mulAll_kernel(int *out, int *in, int n, size_t size) {
 
 extern "C" {
 void mulAll(int *out, const int *input, int n, size_t size) {
-    int *out_d, *in_d, i_d, size_d;
+    int *out_d, *in_d;
 
     CUDA_ERRCHK(cudaMalloc((void **) &in_d, sizeof(int) * size));
     CUDA_ERRCHK(cudaMemcpy(in_d, input, sizeof(int) * size, cudaMemcpyHostToDevice));
 
     CUDA_ERRCHK(cudaMalloc((void **) &out_d, sizeof(int) * size));
-    mulAll_kernel << < 32, 32 >> > (out_d, in_d, n, size);
+    mulAll_kernel <<< 32, 32 >>> (out_d, in_d, n, size);
     CUDA_ERRCHK(cudaMemcpy(out, out_d, sizeof(int) * size, cudaMemcpyDeviceToHost));
 
     CUDA_ERRCHK(cudaFree(in_d));