diff --git a/src/detect-engine-hcbd.c b/src/detect-engine-hcbd.c
index 19744cb24e..7e1aaadeda 100644
--- a/src/detect-engine-hcbd.c
+++ b/src/detect-engine-hcbd.c
@@ -417,9 +417,6 @@ int DetectEngineInspectHttpClientBody(DetectEngineCtx *de_ctx,
         SCReturnInt(0);
     }
 
-    /* locking the flow, we will inspect the htp state */
-    SCMutexLock(&f->m);
-
     if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
         SCLogDebug("HTP state has no conn(p)");
         goto end;
@@ -472,7 +469,6 @@ int DetectEngineInspectHttpClientBody(DetectEngineCtx *de_ctx,
     }
 
 end:
-    SCMutexUnlock(&f->m);
     SCReturnInt(r);
 }
 
diff --git a/src/detect-engine-hhd.c b/src/detect-engine-hhd.c
index b4d2ec046f..09950096e3 100644
--- a/src/detect-engine-hhd.c
+++ b/src/detect-engine-hhd.c
@@ -398,9 +398,6 @@ int DetectEngineInspectHttpHeader(DetectEngineCtx *de_ctx,
         SCReturnInt(0);
     }
 
-    /* locking the flow, we will inspect the htp state */
-    SCMutexLock(&f->m);
-
     if (htp_state->connp == NULL || htp_state->connp->conn == NULL) {
         SCLogDebug("HTP state has no conn(p)");
         goto end;
@@ -436,6 +433,7 @@ int DetectEngineInspectHttpHeader(DetectEngineCtx *de_ctx,
     //    }
     //}
 
+
     for (i = 0; i < det_ctx->hhd_buffers_list_len; i++) {
         uint8_t *hhd_buffer = det_ctx->hhd_buffers[i];
         uint32_t hhd_buffer_len = det_ctx->hhd_buffers_len[i];
@@ -451,7 +449,6 @@ int DetectEngineInspectHttpHeader(DetectEngineCtx *de_ctx,
     }
 
 end:
-    SCMutexUnlock(&f->m);
     SCReturnInt(r);
 }