diff --git a/test/test_utils.c b/test/test_utils.c
index 650e88d1115de..4bd97f30f8def 100644
--- a/test/test_utils.c
+++ b/test/test_utils.c
@@ -108,8 +108,8 @@ void mp_write_console_ansi(void) {};
 void mp_set_avdict(AVDictionary **dict, char **kv) {};
 
 #ifndef WIN32_TESTS
-void mp_time_us_add(void) {};
 void mp_rel_time_to_timespec(void) {};
-void mp_time_us(void) {};
-void mp_time_us_to_realtime(void) {};
+void mp_time_ns(void) {};
+void mp_time_ns_add(void) {};
+void mp_time_ns_to_realtime(void) {};
 #endif
diff --git a/test/test_utils.h b/test/test_utils.h
index 65202050eb489..ac1dfb5d1d4b0 100644
--- a/test/test_utils.h
+++ b/test/test_utils.h
@@ -59,8 +59,8 @@ void mp_set_avdict(AVDictionary **dict, char **kv);
 // import the real versions of these functions and use them. On other
 // platforms, these can just be stubs for simplicity.
 #ifndef WIN32_TESTS
-void mp_time_us_add(void);
 void mp_rel_time_to_timespec(void);
-void mp_time_us(void);
-void mp_time_us_to_realtime(void);
+void mp_time_ns(void);
+void mp_time_ns_add(void);
+void mp_time_ns_to_realtime(void);
 #endif