diff --git a/daemon/mqtt.c b/daemon/mqtt.c
index d9c548425..76512b3ce 100644
--- a/daemon/mqtt.c
+++ b/daemon/mqtt.c
@@ -249,8 +249,8 @@ static void mqtt_ssrc_stats(struct ssrc_ctx *ssrc, JsonBuilder *json, struct cal
 	duplicates = sc->duplicates;
 
 	// process per-second stats
-	uint64_t cur_ts = ssrc_timeval_to_ts(timeval_from_us(rtpe_now));
-	uint64_t last_sample;
+	int64_t cur_ts = rtpe_now;
+	int64_t last_sample;
 	int64_t sample_packets, sample_octets, sample_packets_lost, sample_duplicates;
 
 	// sample values
@@ -274,8 +274,8 @@ static void mqtt_ssrc_stats(struct ssrc_ctx *ssrc, JsonBuilder *json, struct cal
 
 	if (last_sample && last_sample != cur_ts) {
 		// calc sample rates with primitive math
-		struct timeval last_sample_ts = ssrc_ts_to_timeval(last_sample); // XXX
-		double usecs_diff = (double) timeval_diff(timeval_from_us(rtpe_now), last_sample_ts); // XXX
+		int64_t last_sample_ts = last_sample;
+		int64_t usecs_diff = rtpe_now - last_sample_ts;
 
 		// adjust samples
 		packets -= sample_packets;
diff --git a/daemon/ssrc.c b/daemon/ssrc.c
index 35f3c889a..7e101f9d6 100644
--- a/daemon/ssrc.c
+++ b/daemon/ssrc.c
@@ -32,7 +32,7 @@ static void init_ssrc_ctx(struct ssrc_ctx *c, struct ssrc_entry_call *parent) {
 	while (!c->ssrc_map_out)
 		c->ssrc_map_out = ssl_random();
 	c->seq_out = ssl_random();
-	atomic64_set_na(&c->last_sample, ssrc_timeval_to_ts(timeval_from_us(rtpe_now)));
+	atomic64_set_na(&c->last_sample, rtpe_now);
 	c->stats = bufferpool_alloc0(shm_bufferpool, sizeof(*c->stats));
 }
 static void init_ssrc_entry(struct ssrc_entry *ent, uint32_t ssrc) {
diff --git a/include/ssrc.h b/include/ssrc.h
index 5c87e714b..4244b97ea 100644
--- a/include/ssrc.h
+++ b/include/ssrc.h
@@ -63,14 +63,6 @@ struct ssrc_ctx {
 	int64_t next_rtcp; // for self-generated RTCP reports
 };
 
-INLINE uint64_t ssrc_timeval_to_ts(const struct timeval tv) {
-	return (tv.tv_sec << 20) | tv.tv_usec;
-}
-INLINE struct timeval ssrc_ts_to_timeval(uint64_t ts) {
-	return (struct timeval) { .tv_sec = ts >> 20, .tv_usec = ts & 0xfffff };
-}
-
-
 struct ssrc_stats_block {
 	int64_t reported;
 	uint64_t jitter; // ms
diff --git a/lib/auxlib.h b/lib/auxlib.h
index 39d3e0ca2..538110ccd 100644
--- a/lib/auxlib.h
+++ b/lib/auxlib.h
@@ -363,10 +363,6 @@ INLINE struct timeval timeval_from_us(int64_t ms) {
 	return (struct timeval) { .tv_sec = ms/1000000LL, .tv_usec = ms%1000000LL };
 }
 __attribute__((warn_unused_result))
-INLINE int64_t timeval_diff(const struct timeval a, const struct timeval b) {
-	return timeval_us(a) - timeval_us(b);
-}
-__attribute__((warn_unused_result))
 INLINE int64_t timeval_lowest(const int64_t l, const int64_t n) {
 	if (!n)
 		return l;