diff --git a/common/include/villas/tsc.h b/common/include/villas/tsc.h
index 33746003b..917b27263 100644
--- a/common/include/villas/tsc.h
+++ b/common/include/villas/tsc.h
@@ -92,12 +92,18 @@ static inline uint64_t rdtsc()
 	return tsc;
 }
 
+__attribute__((unused))
+static uint64_t tsc_now(struct tsc *t)
+{
+	return t->rdtscp_supported
+		? rdtscp()
+		: rdtsc();
+}
+
 int tsc_init(struct tsc *t);
 
 uint64_t tsc_rate_to_cycles(struct tsc *t, double rate);
 
-uint64_t tsc_now(struct tsc *t);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/common/lib/tsc.c b/common/lib/tsc.c
index 840d74b28..a9d7dee71 100644
--- a/common/lib/tsc.c
+++ b/common/lib/tsc.c
@@ -75,10 +75,3 @@ uint64_t tsc_rate_to_cycles(struct tsc *t, double rate)
 {
 	return t->frequency / rate;
 }
-
-uint64_t tsc_now(struct tsc *t)
-{
-	return t->rdtscp_supported
-		? rdtscp()
-		: rdtsc();
-}