diff --git a/libobs/media-io/media-io-defs.h b/libobs/media-io/media-io-defs.h
index f0be367d17d288b53e9a0c8b087582089b9390a5..28c970f752334ae86133d38379dd7c67d0d4dd66 100644
--- a/libobs/media-io/media-io-defs.h
+++ b/libobs/media-io/media-io-defs.h
@@ -18,7 +18,3 @@
 #pragma once
 
 #define MAX_AV_PLANES 8
-
-/* time threshold in nanoseconds to ensure audio timing is as seamless as
- * possible */
-#define TS_SMOOTHING_THRESHOLD 70000000ULL
diff --git a/libobs/obs-source.c b/libobs/obs-source.c
index 1a0e8c24bfe7a1c9b2213f6f08ebfc14dcf5936d..5487b4668aaf6dfcef122f1f1e8d2ea75e3a65ea 100644
--- a/libobs/obs-source.c
+++ b/libobs/obs-source.c
@@ -1062,6 +1062,10 @@ static inline size_t conv_time_to_frames(const size_t sample_rate,
 /* maximum buffer size */
 #define MAX_BUF_SIZE        (1000 * AUDIO_OUTPUT_FRAMES * sizeof(float))
 
+/* time threshold in nanoseconds to ensure audio timing is as seamless as
+ * possible */
+#define TS_SMOOTHING_THRESHOLD 70000000ULL
+
 static inline void reset_audio_timing(obs_source_t *source, uint64_t timestamp,
 		uint64_t os_time)
 {