diff --git a/src/detect-dataset.c b/src/detect-dataset.c
index ae23925f2c..173a69cb1b 100644
--- a/src/detect-dataset.c
+++ b/src/detect-dataset.c
@@ -47,8 +47,6 @@
 #define DETECT_DATASET_CMD_ISNOTSET 2
 #define DETECT_DATASET_CMD_ISSET    3
 
-int DetectDatasetMatch (ThreadVars *, DetectEngineThreadCtx *, Packet *,
-        const Signature *, const SigMatchCtx *);
 static int DetectDatasetSetup (DetectEngineCtx *, Signature *, const char *);
 void DetectDatasetFree (DetectEngineCtx *, void *);