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-rw-r--r--src/backend/commands/async.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/backend/commands/async.c b/src/backend/commands/async.c
index f7ebd1a650d..6414291ef7a 100644
--- a/src/backend/commands/async.c
+++ b/src/backend/commands/async.c
@@ -207,8 +207,6 @@ typedef struct QueueBackendStatus
QueuePosition pos; /* backend has read queue up to here */
} QueueBackendStatus;
-#define InvalidPid (-1)
-
/*
* Shared memory state for LISTEN/NOTIFY (excluding its SLRU stuff)
*