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-rw-r--r--include/acpi/pcc.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/acpi/pcc.h b/include/acpi/pcc.h
index 699c1a37b8e7..d1e506f041c5 100644
--- a/include/acpi/pcc.h
+++ b/include/acpi/pcc.h
@@ -32,7 +32,6 @@ struct pcc_mbox_chan {
#define PCC_CMD_COMPLETION_NOTIFY BIT(0)
#define MAX_PCC_SUBSPACES 256
-#define PCC_ACK_FLAG_MASK 0x1
#ifdef CONFIG_PCC
extern struct pcc_mbox_chan *