diff --git a/src/or/buffers.c b/src/or/buffers.c
index 3a1b4d54f8..4d4c879627 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -1505,22 +1505,19 @@ log_unsafe_socks_warning(int socks_protocol, const char *address,
   static ratelim_t socks_ratelim = RATELIM_INIT(SOCKS_WARN_INTERVAL);
 
   const or_options_t *options = get_options();
-  char *m = NULL;
   if (! options->WarnUnsafeSocks)
     return;
-  if (safe_socks || (m = rate_limit_log(&socks_ratelim, approx_time()))) {
-    log_warn(LD_APP,
+  if (safe_socks) {
+    log_fn_ratelim(&socks_ratelim, LOG_WARN, LD_APP,
              "Your application (using socks%d to port %d) is giving "
              "Tor only an IP address. Applications that do DNS resolves "
              "themselves may leak information. Consider using Socks4A "
              "(e.g. via privoxy or socat) instead. For more information, "
              "please see https://wiki.torproject.org/TheOnionRouter/"
-             "TorFAQ#SOCKSAndDNS.%s%s",
+             "TorFAQ#SOCKSAndDNS.%s",
              socks_protocol,
              (int)port,
-             safe_socks ? " Rejecting." : "",
-             m ? m : "");
-    tor_free(m);
+             safe_socks ? " Rejecting." : "");
   }
   control_event_client_status(LOG_WARN,
                               "DANGEROUS_SOCKS PROTOCOL=SOCKS%d ADDRESS=%s:%d",
diff --git a/src/or/circuituse.c b/src/or/circuituse.c
index c3495b4402..2ffffa8423 100644
--- a/src/or/circuituse.c
+++ b/src/or/circuituse.c
@@ -479,17 +479,13 @@ circuit_expire_building(void)
         continue;
       } else {
         static ratelim_t relax_timeout_limit = RATELIM_INIT(3600);
-        char *m;
-        if ((m = rate_limit_log(&relax_timeout_limit, approx_time()))) {
-          log_notice(LD_CIRC,
+        log_fn_ratelim(&relax_timeout_limit, LOG_NOTICE, LD_CIRC,
                  "No circuits are opened. Relaxed timeout for "
                  "a circuit with channel state %s to %ldms. "
                  "However, it appears the circuit has timed out anyway. "
-                 "%d guards are live. %s",
+                 "%d guards are live.",
                  channel_state_to_string(victim->n_chan->state),
-                     (long)circ_times.close_ms, num_live_entry_guards(0), m);
-          tor_free(m);
-        }
+                 (long)circ_times.close_ms, num_live_entry_guards(0));
       }
     }
 
diff --git a/src/or/connection.c b/src/or/connection.c
index 740462e7c6..5da4d39ba5 100644
--- a/src/or/connection.c
+++ b/src/or/connection.c
@@ -1441,16 +1441,13 @@ connection_connect(connection_t *conn, const char *address,
     /* We should never even try to connect anyplace if DisableNetwork is set.
      * Warn if we do, and refuse to make the connection. */
     static ratelim_t disablenet_violated = RATELIM_INIT(30*60);
-    char *m;
 #ifdef _WIN32
     *socket_error = WSAENETUNREACH;
 #else
     *socket_error = ENETUNREACH;
 #endif
-    if ((m = rate_limit_log(&disablenet_violated, approx_time()))) {
-      log_warn(LD_BUG, "Tried to open a socket with DisableNetwork set.%s", m);
-      tor_free(m);
-    }
+    log_fn_ratelim(&disablenet_violated, LOG_WARN, LD_BUG,
+                   "Tried to open a socket with DisableNetwork set.");
     tor_fragile_assert();
     return -1;
   }
diff --git a/src/or/router.c b/src/or/router.c
index c7380cb444..1a4cee943d 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -936,14 +936,11 @@ consider_testing_reachability(int test_or, int test_dir)
     if (test_or || test_dir) {
 #define SELF_EXCLUDED_WARN_INTERVAL 3600
       static ratelim_t warning_limit=RATELIM_INIT(SELF_EXCLUDED_WARN_INTERVAL);
-      char *msg;
-      if ((msg = rate_limit_log(&warning_limit, approx_time()))) {
-        log_warn(LD_CIRC, "Can't peform self-tests for this relay: we have "
+      log_fn_ratelim(&warning_limit, LOG_WARN, LD_CIRC,
+                 "Can't peform self-tests for this relay: we have "
                  "listed ourself in ExcludeNodes, and StrictNodes is set. "
                  "We cannot learn whether we are usable, and will not "
-                 "be able to advertise ourself.%s", msg);
-        tor_free(msg);
-      }
+                 "be able to advertise ourself.");
     }
     return;
   }