diff --git a/include/shared.h b/include/shared.h
index 2c8ab99e8..9c9849423 100644
--- a/include/shared.h
+++ b/include/shared.h
@@ -33,9 +33,6 @@ void naive_escape (char *s, size_t s_max, const char key_char, const char escape
 
 void hc_asprintf (char **strp, const char *fmt, ...);
 
-void hc_sleep_msec (const u32 msec);
-void hc_sleep      (const u32 sec);
-
 void setup_environment_variables (void);
 void setup_umask (void);
 void setup_seeding (const bool rp_gen_seed_chgd, const u32 rp_gen_seed);
diff --git a/src/monitor.c b/src/monitor.c
index b4ce64e7a..256d11bd0 100644
--- a/src/monitor.c
+++ b/src/monitor.c
@@ -129,7 +129,7 @@ static int monitor (hashcat_ctx_t *hashcat_ctx)
 
   while (status_ctx->shutdown_inner == false)
   {
-    hc_sleep (sleep_time);
+    sleep (sleep_time);
 
     if (status_ctx->devices_status == STATUS_INIT) continue;
 
diff --git a/src/opencl.c b/src/opencl.c
index b1d32794e..28aa1fd1b 100644
--- a/src/opencl.c
+++ b/src/opencl.c
@@ -1952,7 +1952,7 @@ int run_cracker (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, co
 
   for (u32 salt_pos = 0; salt_pos < hashes->salts_cnt; salt_pos++)
   {
-    while (status_ctx->devices_status == STATUS_PAUSED) hc_sleep (1);
+    while (status_ctx->devices_status == STATUS_PAUSED) sleep (1);
 
     salt_t *salt_buf = &hashes->salts_buf[salt_pos];
 
@@ -1983,7 +1983,7 @@ int run_cracker (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, co
 
     for (u64 innerloop_pos = 0; innerloop_pos < innerloop_cnt; innerloop_pos += innerloop_step)
     {
-      while (status_ctx->devices_status == STATUS_PAUSED) hc_sleep (1);
+      while (status_ctx->devices_status == STATUS_PAUSED) sleep (1);
 
       u32 fast_iteration = 0;
 
diff --git a/src/outfile_check.c b/src/outfile_check.c
index c342891aa..93fce32dc 100644
--- a/src/outfile_check.c
+++ b/src/outfile_check.c
@@ -59,7 +59,7 @@ static int outfile_remove (hashcat_ctx_t *hashcat_ctx)
 
   while (status_ctx->shutdown_inner == false)
   {
-    hc_sleep (1);
+    sleep (1);
 
     if (status_ctx->devices_status != STATUS_RUNNING) continue;
 
diff --git a/src/shared.c b/src/shared.c
index 125c4c8a5..38e834727 100644
--- a/src/shared.c
+++ b/src/shared.c
@@ -173,24 +173,6 @@ int hc_fstat (int fd, hc_stat_t *buf)
 }
 #endif
 
-void hc_sleep_msec (const u32 msec)
-{
-  #if defined (_WIN)
-  Sleep (msec);
-  #else
-  usleep (msec * 1000);
-  #endif
-}
-
-void hc_sleep (const u32 sec)
-{
-  #if defined (_WIN)
-  Sleep (sec * 1000);
-  #else
-  sleep (sec);
-  #endif
-}
-
 #if defined (_WIN)
 #define __WINDOWS__
 #endif
diff --git a/src/terminal.c b/src/terminal.c
index 3024b7438..b96a7c77f 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -166,7 +166,7 @@ static void keypress (hashcat_ctx_t *hashcat_ctx)
   user_options_t *user_options = hashcat_ctx->user_options;
 
   // this is required, because some of the variables down there are not initialized at that point
-  while (status_ctx->devices_status == STATUS_INIT) hc_sleep_msec (100);
+  while (status_ctx->devices_status == STATUS_INIT) usleep (100000);
 
   const bool quiet = user_options->quiet;
 
diff --git a/src/thread.c b/src/thread.c
index 02ac540eb..22f4cb67e 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -30,7 +30,7 @@ BOOL WINAPI sigHandler_default (DWORD sig)
 
       SetConsoleCtrlHandler (NULL, TRUE);
 
-      hc_sleep (10);
+      sleep (10);
 
       return TRUE;
 
@@ -58,7 +58,7 @@ BOOL WINAPI sigHandler_benchmark (DWORD sig)
 
       SetConsoleCtrlHandler (NULL, TRUE);
 
-      hc_sleep (10);
+      sleep (10);
 
       return TRUE;