diff --git a/docs/README.md b/docs/README.md
index b4cd88a5..78b1a422 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1992,24 +1992,6 @@ mg_timer_poll(now);
 
 ## Time
 
-### mg\_time()
-
-```
-double mg_time(void);
-```
-
-Return current time as UNIX epoch, using `double` value for sub-second accuracy.
-
-Parameters: None
-
-Return value: Current time
-
-Usage example:
-
-```c
-double now = mg_time()
-```
-
 ### mg\_millis()
 
 ```c
@@ -2028,25 +2010,6 @@ Usage example:
 unsigned long uptime = mg_millis();
 ```
 
-### mg\_usleep()
-
-```c
-void mg_usleep(unsigned long usecs);
-```
-
-Block thread execution for a given number of microseconds.
-
-Parameters:
-- `usecs` - number of microseconds to block thread
-
-Return value: None
-
-Usage example:
-
-```c
-mg_usleep(1000000 /* 1 sec */)
-```
-
 ## String
 
 ### struct mg\_str
diff --git a/mongoose.c b/mongoose.c
index 39a5b1f4..b5738d64 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -4462,47 +4462,6 @@ int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip) {
   return allowed == '+';
 }
 
-double mg_time(void) {
-#if MG_ARCH == MG_ARCH_WIN32
-  SYSTEMTIME sysnow;
-  FILETIME ftime;
-  GetLocalTime(&sysnow);
-  SystemTimeToFileTime(&sysnow, &ftime);
-  /*
-   * 1. VC 6.0 doesn't support conversion uint64 -> double, so, using int64
-   * This should not cause a problems in this (21th) century
-   * 2. Windows FILETIME is a number of 100-nanosecond intervals since January
-   * 1, 1601 while time_t is a number of _seconds_ since January 1, 1970 UTC,
-   * thus, we need to convert to seconds and adjust amount (subtract 11644473600
-   * seconds)
-   */
-  return (double) (((int64_t) ftime.dwLowDateTime +
-                    ((int64_t) ftime.dwHighDateTime << 32)) /
-                   10000000.0) -
-         11644473600;
-#elif MG_ARCH == MG_ARCH_FREERTOS_TCP || MG_ARCH == MG_ARCH_AZURERTOS
-  return mg_millis() / 1000.0;
-#else
-  struct timeval tv;
-  if (gettimeofday(&tv, NULL /* tz */) != 0) return 0;
-  return (double) tv.tv_sec + (((double) tv.tv_usec) / 1000000.0);
-#endif /* _WIN32 */
-}
-
-void mg_usleep(unsigned long usecs) {
-#if MG_ARCH == MG_ARCH_WIN32
-  Sleep(usecs / 1000);
-#elif MG_ARCH == MG_ARCH_ESP8266
-  ets_delay_us(usecs);
-#elif MG_ARCH == MG_ARCH_FREERTOS_TCP || MG_ARCH == MG_ARCH_FREERTOS_LWIP
-  vTaskDelay(pdMS_TO_TICKS(usecs / 1000));
-#elif MG_ARCH == MG_ARCH_AZURERTOS
-  tx_thread_sleep((usecs / 1000) * TX_TIMER_TICKS_PER_SECOND);
-#else
-  usleep((useconds_t) usecs);
-#endif
-}
-
 unsigned long mg_millis(void) {
 #if MG_ARCH == MG_ARCH_WIN32
   return GetTickCount();
@@ -4715,7 +4674,7 @@ static void mg_ws_cb(struct mg_connection *c, int ev, void *ev_data,
           if (final) mg_call(c, MG_EV_WS_MSG, &m);
           break;
         case WEBSOCKET_OP_CLOSE:
-          LOG(LL_ERROR, ("%lu Got WS CLOSE", c->id));
+          LOG(LL_DEBUG, ("%lu Got WS CLOSE", c->id));
           mg_call(c, MG_EV_WS_CTL, &m);
           c->is_closing = 1;
           break;
diff --git a/mongoose.h b/mongoose.h
index 4c9202eb..ea85e1fc 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -615,9 +615,7 @@ int mg_asprintf(char **buf, size_t size, const char *fmt, ...);
 int mg_vasprintf(char **buf, size_t size, const char *fmt, va_list ap);
 int64_t mg_to64(struct mg_str str);
 int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip);
-double mg_time(void);
 unsigned long mg_millis(void);
-void mg_usleep(unsigned long usecs);
 
 #define mg_htons(x) mg_ntohs(x)
 #define mg_htonl(x) mg_ntohl(x)
diff --git a/src/util.c b/src/util.c
index 8576d987..b0d9fd62 100644
--- a/src/util.c
+++ b/src/util.c
@@ -301,47 +301,6 @@ int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip) {
   return allowed == '+';
 }
 
-double mg_time(void) {
-#if MG_ARCH == MG_ARCH_WIN32
-  SYSTEMTIME sysnow;
-  FILETIME ftime;
-  GetLocalTime(&sysnow);
-  SystemTimeToFileTime(&sysnow, &ftime);
-  /*
-   * 1. VC 6.0 doesn't support conversion uint64 -> double, so, using int64
-   * This should not cause a problems in this (21th) century
-   * 2. Windows FILETIME is a number of 100-nanosecond intervals since January
-   * 1, 1601 while time_t is a number of _seconds_ since January 1, 1970 UTC,
-   * thus, we need to convert to seconds and adjust amount (subtract 11644473600
-   * seconds)
-   */
-  return (double) (((int64_t) ftime.dwLowDateTime +
-                    ((int64_t) ftime.dwHighDateTime << 32)) /
-                   10000000.0) -
-         11644473600;
-#elif MG_ARCH == MG_ARCH_FREERTOS_TCP || MG_ARCH == MG_ARCH_AZURERTOS
-  return mg_millis() / 1000.0;
-#else
-  struct timeval tv;
-  if (gettimeofday(&tv, NULL /* tz */) != 0) return 0;
-  return (double) tv.tv_sec + (((double) tv.tv_usec) / 1000000.0);
-#endif /* _WIN32 */
-}
-
-void mg_usleep(unsigned long usecs) {
-#if MG_ARCH == MG_ARCH_WIN32
-  Sleep(usecs / 1000);
-#elif MG_ARCH == MG_ARCH_ESP8266
-  ets_delay_us(usecs);
-#elif MG_ARCH == MG_ARCH_FREERTOS_TCP || MG_ARCH == MG_ARCH_FREERTOS_LWIP
-  vTaskDelay(pdMS_TO_TICKS(usecs / 1000));
-#elif MG_ARCH == MG_ARCH_AZURERTOS
-  tx_thread_sleep((usecs / 1000) * TX_TIMER_TICKS_PER_SECOND);
-#else
-  usleep((useconds_t) usecs);
-#endif
-}
-
 unsigned long mg_millis(void) {
 #if MG_ARCH == MG_ARCH_WIN32
   return GetTickCount();
diff --git a/src/util.h b/src/util.h
index bcd5dbd4..41394fd4 100644
--- a/src/util.h
+++ b/src/util.h
@@ -20,9 +20,7 @@ int mg_asprintf(char **buf, size_t size, const char *fmt, ...);
 int mg_vasprintf(char **buf, size_t size, const char *fmt, va_list ap);
 int64_t mg_to64(struct mg_str str);
 int mg_check_ip_acl(struct mg_str acl, uint32_t remote_ip);
-double mg_time(void);
 unsigned long mg_millis(void);
-void mg_usleep(unsigned long usecs);
 
 #define mg_htons(x) mg_ntohs(x)
 #define mg_htonl(x) mg_ntohl(x)