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-rw-r--r--tools/testing/radix-tree/linux/kernel.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index c3bc3f364f68..426f32f28547 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -17,6 +17,4 @@
#define pr_debug printk
#define pr_cont printk
-#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
-
#endif /* _KERNEL_H */