diff --git a/src/detect-dns-query.h b/src/detect-dns-query.h
index 7560523128..4065c41034 100644
--- a/src/detect-dns-query.h
+++ b/src/detect-dns-query.h
@@ -27,7 +27,7 @@
 #include "app-layer-dns-common.h"
 
 void DetectDnsQueryRegister (void);
-uint32_t DetectDnsQueryInspectMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
-                                  DNSState *dns_state, uint8_t flags, void *txv, uint64_t tx_id);
+
+uint32_t DetectDnsQueryInspectMpm(DetectEngineThreadCtx *det_ctx, void *txv);
 
 #endif /* __DETECT_DNS_QUERY_H__ */
diff --git a/src/detect-engine-dns.c b/src/detect-engine-dns.c
index e68c1093b0..f3441e1afc 100644
--- a/src/detect-engine-dns.c
+++ b/src/detect-engine-dns.c
@@ -105,14 +105,12 @@ int DetectEngineInspectDnsQueryName(ThreadVars *tv,
  *  \retval ret Number of matches.
  */
 static inline uint32_t DnsQueryPatternSearch(DetectEngineThreadCtx *det_ctx,
-                                      const uint8_t *buffer, const uint32_t buffer_len,
-                                      const uint8_t flags)
+        const uint8_t *buffer, const uint32_t buffer_len)
 {
     SCEnter();
 
     uint32_t ret = 0;
 
-    DEBUG_VALIDATE_BUG_ON(flags & STREAM_TOCLIENT);
     DEBUG_VALIDATE_BUG_ON(det_ctx->sgh->mpm_dnsquery_ctx_ts == NULL);
 
     if (buffer_len >= det_ctx->sgh->mpm_dnsquery_ctx_ts->minlen) {
@@ -130,12 +128,9 @@ static inline uint32_t DnsQueryPatternSearch(DetectEngineThreadCtx *det_ctx,
  *  \param f locked flow
  *  \param dns_state initialized dns state
  *
- *  \warning Make sure the flow/state is locked
  *  \todo what should we return? Just the fact that we matched?
  */
-uint32_t DetectDnsQueryInspectMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
-                                  DNSState *dns_state, uint8_t flags, void *txv,
-                                  uint64_t tx_id)
+uint32_t DetectDnsQueryInspectMpm(DetectEngineThreadCtx *det_ctx, void *txv)
 {
     SCEnter();
 
@@ -152,8 +147,7 @@ uint32_t DetectDnsQueryInspectMpm(DetectEngineThreadCtx *det_ctx, Flow *f,
         buffer_len = query->len;
 
         cnt += DnsQueryPatternSearch(det_ctx,
-                buffer, buffer_len,
-                flags);
+                buffer, buffer_len);
     }
 
     SCReturnUInt(cnt);
diff --git a/src/detect.c b/src/detect.c
index 20fdde08d3..3907a0a6e3 100644
--- a/src/detect.c
+++ b/src/detect.c
@@ -1027,7 +1027,7 @@ static inline void DetectMpmPrefilter(DetectEngineCtx *de_ctx,
                             continue;
 
                         PACKET_PROFILING_DETECT_START(p, PROF_DETECT_MPM_DNSQUERY);
-                        DetectDnsQueryInspectMpm(det_ctx, p->flow, alstate, flags, tx, idx);
+                        DetectDnsQueryInspectMpm(det_ctx, tx);
                         PACKET_PROFILING_DETECT_END(p, PROF_DETECT_MPM_DNSQUERY);
                     }
                 }
@@ -1136,7 +1136,7 @@ static inline void DetectMpmPrefilter(DetectEngineCtx *de_ctx,
                         continue;
                     SCLogDebug("tx %p",tx);
                     PACKET_PROFILING_DETECT_START(p, PROF_DETECT_MPM_DNSQUERY);
-                    DetectDnsQueryInspectMpm(det_ctx, p->flow, alstate, flags, tx, idx);
+                    DetectDnsQueryInspectMpm(det_ctx, tx);
                     PACKET_PROFILING_DETECT_END(p, PROF_DETECT_MPM_DNSQUERY);
                 }
             }