diff --git a/monitor.c b/monitor.c
index be8761a40..8cee35d77 100644
--- a/monitor.c
+++ b/monitor.c
@@ -83,10 +83,6 @@
  *              suffix, which multiplies the value by 2^40 for
  *              suffixes T and t, 2^30 for suffixes G and g, 2^20 for
  *              M and m, 2^10 for K and k
- * 'f'          double
- *              user mode accepts an optional G, g, M, m, K, k suffix,
- *              which multiplies the value by 2^30 for suffixes G and
- *              g, 2^20 for M and m, 2^10 for K and k
  * 'T'          double
  *              user mode accepts an optional ms, us, ns suffix,
  *              which divides the value by 1e3, 1e6, 1e9, respectively
@@ -3731,7 +3727,6 @@ static const mon_cmd_t *monitor_parse_command(Monitor *mon,
                 p = end;
             }
             break;
-        case 'f':
         case 'T':
             {
                 double val;
@@ -3747,17 +3742,7 @@ static const mon_cmd_t *monitor_parse_command(Monitor *mon,
                 if (get_double(mon, &val, &p) < 0) {
                     goto fail;
                 }
-                if (c == 'f' && *p) {
-                    switch (*p) {
-                    case 'K': case 'k':
-                        val *= 1 << 10; p++; break;
-                    case 'M': case 'm':
-                        val *= 1 << 20; p++; break;
-                    case 'G': case 'g':
-                        val *= 1 << 30; p++; break;
-                    }
-                }
-                if (c == 'T' && p[0] && p[1] == 's') {
+                if (p[0] && p[1] == 's') {
                     switch (*p) {
                     case 'm':
                         val /= 1e3; p += 2; break;
@@ -4240,7 +4225,6 @@ static int check_client_args_type(const QDict *client_args,
                 return -1; 
             }
             break;
-        case 'f':
         case 'T':
             if (qobject_type(client_arg) != QTYPE_QINT &&
                 qobject_type(client_arg) != QTYPE_QFLOAT) {