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-rw-r--r--drivers/staging/unisys/include/channel.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/staging/unisys/include/channel.h b/drivers/staging/unisys/include/channel.h
index 8c6a7ad2f46c..e5e36980ace5 100644
--- a/drivers/staging/unisys/include/channel.h
+++ b/drivers/staging/unisys/include/channel.h
@@ -38,9 +38,6 @@
#define SIGNATURE_64(A, B, C, D, E, F, G, H) \
(SIGNATURE_32(A, B, C, D) | ((u64)(SIGNATURE_32(E, F, G, H)) << 32))
-#ifndef lengthof
-#define lengthof(TYPE, MEMBER) (sizeof(((TYPE *)0)->MEMBER))
-#endif
#ifndef COVER
#define COVER(v, d) ((d) * DIV_ROUND_UP(v, d))
#endif