diff --git a/libavformat/internal.h b/libavformat/internal.h
index 0881fd2210237ce88cc18cf42d8d0a05cde29614..29b80c47e820cc7edc27cddf7fe016a3436a2722 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -37,6 +37,9 @@ void ff_interleave_add_packet(AVFormatContext *s, AVPacket *pkt,
 
 void av_read_frame_flush(AVFormatContext *s);
 
+#define NTP_OFFSET 2208988800ULL
+#define NTP_OFFSET_US (NTP_OFFSET * 1000000ULL)
+
 /** Gets the current time since NTP epoch in microseconds. */
 uint64_t ff_ntp_time(void);
 
diff --git a/libavformat/utils.c b/libavformat/utils.c
index f6cbbb4a9301487468f04c41e0ccbb51a2e499ef..b952bcf05cb9808a55e53bf4ff3b2655a0979c55 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -3108,9 +3108,6 @@ int64_t av_gettime(void)
     return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
 }
 
-#define NTP_OFFSET 2208988800ULL
-#define NTP_OFFSET_US (NTP_OFFSET * 1000000ULL)
-
 uint64_t ff_ntp_time(void)
 {
   return (av_gettime() / 1000) * 1000 + NTP_OFFSET_US;