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-rw-r--r--include/linux/libps2.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 53f7e4d0f4b7..193dd53ad18b 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -28,7 +28,6 @@
#define PS2_FLAG_CMD1 BIT(2) /* Waiting for the first byte of command response */
#define PS2_FLAG_WAITID BIT(3) /* Command executing is GET ID */
#define PS2_FLAG_NAK BIT(4) /* Last transmission was NAKed */
-#define PS2_FLAG_ACK_CMD BIT(5) /* Waiting to ACK the command (first) byte */
struct ps2dev {
struct serio *serio;