diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index d32ef81..8c43f20 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -33,7 +33,7 @@
 struct super_block;
 struct dentry;
 
-void oprofile_create_files(struct super_block *sb, struct dentry *root);
+void oprofile_create_files(struct dentry *root);
 int oprofile_timer_init(struct oprofile_operations *ops);
 #ifdef CONFIG_OPROFILE_NMI_TIMER
 int op_nmi_timer_init(struct oprofile_operations *ops);