diff --git a/pkg/noun/nock.c b/pkg/noun/nock.c
index 2cb1f8371f..6ac08779ef 100644
--- a/pkg/noun/nock.c
+++ b/pkg/noun/nock.c
@@ -1112,7 +1112,6 @@ _n_bint(u3_noun* ops, u3_noun hif, u3_noun nef, c3_o los_o, c3_o tel_o)
         ++tot_w; _n_emit(ops, (c3y == los_o) ? BALT : BAST);
         break;
 
-      //  %memo hint implementation
       case c3__memo: {
         u3_noun mem = u3_nul;
         c3_w mem_w = 0;
@@ -2611,7 +2610,6 @@ _n_burn(u3n_prog* pog_u, u3_noun bus, c3_ys mov, c3_ys off)
     skim_out:
       o     = u3k(mem_u->key);
       x     = u3nc(x, o);
-      fprintf(stderr, "skim_out\r\n");
       o     = u3z_find_m(144 + c3__nock, x);
       if ( u3_none == o ) {
         _n_push(mov, off, x);
@@ -2628,14 +2626,9 @@ _n_burn(u3n_prog* pog_u, u3_noun bus, c3_ys mov, c3_ys off)
       x   = _n_pep(mov, off);
       top = _n_peek(off);
       o   = *top;
-      // if ( &(u3H->rod_u) != u3R ) {
-      //   u3z_save_m(144 + c3__nock, o, x);
-      // }
-
-      //  save in the cache no matter which road we're on
-      fprintf(stderr, "do_save\r\n");
-      u3z_save_m(144 + c3__nock, o, x);
-
+      if ( &(u3H->rod_u) != u3R ) {
+        u3z_save_m(144 + c3__nock, o, x);
+      }
       *top = x;
       u3z(o);
       BURN();
diff --git a/pkg/noun/zave.c b/pkg/noun/zave.c
index 94492692d4..96631dd00e 100644
--- a/pkg/noun/zave.c
+++ b/pkg/noun/zave.c
@@ -39,7 +39,6 @@ u3z_key_5(c3_m fun, u3_noun one, u3_noun two, u3_noun tri, u3_noun qua, u3_noun
 u3_weak
 u3z_find(u3_noun key)
 {
-  fprintf(stderr, "u3z_find\r\n");
   return u3h_get(u3R->cax.har_p, key);
 }
 u3_weak