diff --git a/src/algo_lightning.c b/src/algo_lightning.c
index 246a788..c87f25d 100644
--- a/src/algo_lightning.c
+++ b/src/algo_lightning.c
@@ -122,11 +122,11 @@ void algo_lightning_pad(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo
   uint64_t ref = lightc->uniq_pkt_sent_id;
 
   // 0. Store current buffer to application
-  fprintf(stderr, "    [algo_lightning] Store buffer with pointer %p\n", (void*) ref);
+  //fprintf(stderr, "    [algo_lightning] Store buffer with pointer %p\n", (void*) ref);
   dup_buffer_toa (&app_ctx->br, bp, (void *)ref);
 
   // 1. Clean old buffers (we keep only thunderc->total_links buffer, keeping more would be useless)
-  fprintf(stderr, "    [algo_lightning] Clean queue\n");
+  //fprintf(stderr, "    [algo_lightning] Clean queue\n");
   if (ref > lightc->total_links && get_app_buffer (&app_ctx->br, (void *)(ref - lightc->total_links))) {
     mv_buffer_atof (&app_ctx->br, (void *)(ref - lightc->total_links));
   }
@@ -134,29 +134,29 @@ void algo_lightning_pad(struct evt_core_ctx* ctx, struct evt_core_fdinfo* fdinfo
   // 2. Append abstract packets stored in our buffers
   uint64_t add_ref = ref;
   while(1) {
-    fprintf(stderr, "    [algo_lightning] Enter loop with ref %ld\n", add_ref);
+    //fprintf(stderr, "    [algo_lightning] Enter loop with ref %ld\n", add_ref);
     if (add_ref < 1) {
-      fprintf(stderr, "    [algo_lightning] add_ref=%ld < 1\n", add_ref);
+      //fprintf(stderr, "    [algo_lightning] add_ref=%ld < 1\n", add_ref);
       break;
     }
     add_ref--;
     struct buffer_packet *bp_iter = get_app_buffer (&app_ctx->br, (void *)add_ref);
     if (bp_iter == NULL) {
-      fprintf(stderr, "    [algo_lightning] bp_iter=%p == NULL\n", bp_iter);
+      //fprintf(stderr, "    [algo_lightning] bp_iter=%p == NULL\n", bp_iter);
       break;
     }
     union abstract_packet *ap = buffer_first_ap (bp_iter);
     if (ap->fmt.headers.cmd != CMD_UDP_ENCAPSULATED) {
-      fprintf(stderr, "Invalid buffer payload!\n");
+      //fprintf(stderr, "Invalid buffer payload!\n");
       exit(EXIT_FAILURE);
     }
 
-    fprintf(stderr, "    [algo_lightning] Currently %ld bytes, would be %ld\n", buffer_full_size (bp), buffer_full_size (bp) + ap->fmt.headers.size);
+    //fprintf(stderr, "    [algo_lightning] Currently %ld bytes, would be %ld\n", buffer_full_size (bp), buffer_full_size (bp) + ap->fmt.headers.size);
 
     if (buffer_full_size (bp) + ap->fmt.headers.size > TOR_CELL_SIZE - lightc->monit_pkt_size) break;
 
     buffer_append_ap (bp, ap);
-    /*if (ctx->verbose > 1)*/ fprintf(stderr, "    [algo_lightning] Pad packet (now %ld bytes)\n", buffer_full_size (bp));
+    if (ctx->verbose > 1) fprintf(stderr, "    [algo_lightning] Pad packet (now %ld bytes)\n", buffer_full_size (bp));
   }
 }
 
@@ -410,7 +410,6 @@ int algo_lightning_on_datagram(struct evt_core_ctx* ctx, struct evt_core_fdinfo*
         cur = ap_next(cur);
         continue;
       }
-      printf("tagging packets delivered on slow link\n");
       struct measure_packet *mp = (void*)&cur->fmt.content.udp_encapsulated.payload;
       mp->flag = 1;
       cur = ap_next(cur);