diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index e8de9a3ced..fa8de1390e 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -412,7 +412,7 @@ AutoVacLauncherMain(int argc, char *argv[])
 	/* Identify myself via ps */
 	init_ps_display("autovacuum launcher process", "", "", "");
 
-	ereport(LOG,
+	ereport(DEBUG1,
 			(errmsg("autovacuum launcher started")));
 
 	if (PostAuthDelay)
@@ -776,7 +776,7 @@ AutoVacLauncherMain(int argc, char *argv[])
 
 	/* Normal exit from the autovac launcher is here */
 shutdown:
-	ereport(LOG,
+	ereport(DEBUG1,
 			(errmsg("autovacuum launcher shutting down")));
 	AutoVacuumShmem->av_launcherpid = 0;
 
diff --git a/src/backend/replication/logical/launcher.c b/src/backend/replication/logical/launcher.c
index afdadc17d6..20b43626dd 100644
--- a/src/backend/replication/logical/launcher.c
+++ b/src/backend/replication/logical/launcher.c
@@ -552,7 +552,7 @@ ApplyLauncherWakeup(void)
 void
 ApplyLauncherMain(Datum main_arg)
 {
-	ereport(LOG,
+	ereport(DEBUG1,
 			(errmsg("logical replication launcher started")));
 
 	/* Establish signal handlers. */
@@ -652,7 +652,7 @@ ApplyLauncherMain(Datum main_arg)
 	LogicalRepCtx->launcher_pid = 0;
 
 	/* ... and if it returns, we're done */
-	ereport(LOG,
+	ereport(DEBUG1,
 			(errmsg("logical replication launcher shutting down")));
 
 	proc_exit(0);