diff --git a/kernel_module/seq_file.c b/kernel_module/seq_file.c
index 4e79dc8..11420d9 100644
--- a/kernel_module/seq_file.c
+++ b/kernel_module/seq_file.c
@@ -121,7 +121,7 @@ static struct file_operations fops = {
 static int myinit(void)
 {
 	debugfs_file = debugfs_create_file(
-		"lkmc_seq_file", S_IRUSR | S_IWUSR, NULL, NULL, &fops);
+		"lkmc_seq_file", S_IRUSR, NULL, NULL, &fops);
 	if (debugfs_file) {
 		return 0;
 	} else {
diff --git a/kernel_module/seq_file_single.c b/kernel_module/seq_file_single.c
index d31c455..80ba920 100644
--- a/kernel_module/seq_file_single.c
+++ b/kernel_module/seq_file_single.c
@@ -43,7 +43,7 @@ static const struct file_operations fops = {
 static int myinit(void)
 {
 	debugfs_file = debugfs_create_file(
-		"lkmc_seq_file_single", S_IRUSR | S_IWUSR, NULL, NULL, &fops);
+		"lkmc_seq_file_single", S_IRUSR, NULL, NULL, &fops);
 	if (debugfs_file) {
 		return 0;
 	} else {