diff --git a/man/cmds.8 b/man/cmds.8
index 76fde6c30e7..7a891ced98e 100644
--- a/man/cmds.8
+++ b/man/cmds.8
@@ -32,7 +32,7 @@ and specifying the rank overrides specifying the name.
 Foreground: do not daemonize after startup (run in foreground).
 Do not generate a pid file. Useful when run via crun (8).
 .TP
-\fB\-d\fP, \fB\-\-debug\f
+\fB\-d\fP
 Debug mode: like -f, but also send all log output to stderr.
 .TP
 \fB\-c\fI ceph.conf\fR, \fB\-\-conf=\fIceph.conf\fR
diff --git a/man/cmon.8 b/man/cmon.8
index 501c30b72c4..97900ae8b19 100644
--- a/man/cmon.8
+++ b/man/cmon.8
@@ -22,7 +22,7 @@ in the configuration file.
 Foreground: do not daemonize after startup (run in foreground).
 Do not generate a pid file. Useful when run via crun (8).
 .TP
-\fB\-d\fP, \fB\-\-debug\f
+\fB\-d\fP
 Debug mode: like -f, but also send all log output to stderr.
 .TP
 \fB\-c\fI ceph.conf\fR, \fB\-\-conf=\fIceph.conf\fR
diff --git a/man/cosd.8 b/man/cosd.8
index 6e8ddc4e5b6..c1ad1c8249e 100644
--- a/man/cosd.8
+++ b/man/cosd.8
@@ -23,7 +23,7 @@ disk than \fIdatapath\fP with low latency (ideally, an NVRAM device).
 Foreground: do not daemonize after startup (run in foreground).
 Do not generate a pid file. Useful when run via crun (8).
 .TP
-\fB\-d\fP, \fB\-\-debug\f
+\fB\-d\fP
 Debug mode: like -f, but also send all log output to stderr.
 .TP
 \fB\-\-osd\-data \fIosddata\fP
diff --git a/src/common/config.cc b/src/common/config.cc
index 70df50c5eca..96f167ac251 100644
--- a/src/common/config.cc
+++ b/src/common/config.cc
@@ -912,7 +912,7 @@ parse_argv(std::vector<const char*>& args)
       daemonize = false;
       set_cv(&pid_file, NULL);
     }
-    else if (ceph_argparse_flag(args, i, "--debug", "-d", NULL)) {
+    else if (ceph_argparse_flag(args, i, "-d", NULL)) {
       daemonize = false;
       set_cv(&log_dir, NULL);
       set_cv(&pid_file, NULL);