diff --git a/include/villas/sample.h b/include/villas/sample.h
index bc5e30de2..dcd3e19f4 100644
--- a/include/villas/sample.h
+++ b/include/villas/sample.h
@@ -93,7 +93,6 @@ struct sample {
 	struct {
 		struct timespec origin;		/**< The point in time when this data was sampled. */
 		struct timespec received;	/**< The point in time when this data was received. */
-		struct timespec sent;		/**< The point in time when this data was send for the last time. */
 	} ts;
 
 	/** The values. */
diff --git a/lib/hooks/shift_ts.c b/lib/hooks/shift_ts.c
index a57d961d8..b9799da4b 100644
--- a/lib/hooks/shift_ts.c
+++ b/lib/hooks/shift_ts.c
@@ -35,8 +35,7 @@ struct shift_ts {
 	struct timespec offset;
 	enum {
 		SHIFT_ORIGIN,
-		SHIFT_RECEIVED,
-		SHIFT_SENT,
+		SHIFT_RECEIVED
 	} mode;
 };
 
@@ -69,8 +68,6 @@ static int shift_ts_parse(struct hook *h, json_t *cfg)
 			p->mode = SHIFT_ORIGIN;
 		else if (!strcmp(mode, "received"))
 			p->mode = SHIFT_RECEIVED;
-		else if (!strcmp(mode, "sent"))
-			p->mode = SHIFT_SENT;
 		else
 			jerror(&err, "Invalid mode parameter '%s' for hook '%s'", mode, plugin_name(h->_vt));
 	}
@@ -91,7 +88,6 @@ static int shift_ts_read(struct hook *h, struct sample *smps[], unsigned *cnt)
 		switch (p->mode) {
 			case SHIFT_ORIGIN: ts = &s->ts.origin; break;
 			case SHIFT_RECEIVED: ts = &s->ts.received; break;
-			case SHIFT_SENT: ts = &s->ts.sent; break;
 			default: return -1;
 		}