diff --git a/src/or/directory.c b/src/or/directory.c
index 5ceea2fb32..f52354356d 100644
--- a/src/or/directory.c
+++ b/src/or/directory.c
@@ -3499,6 +3499,7 @@ client_likes_consensus(const struct consensus_cache_entry_t *ent,
   int have = 0;
 
   if (consensus_cache_entry_get_voter_id_digests(ent, voters) != 0) {
+    smartlist_free(voters);
     return 1; // We don't know the voters; assume the client won't mind. */
   }
 
diff --git a/src/test/hs_test_helpers.c b/src/test/hs_test_helpers.c
index 3f0d6a9413..dcd58bc5fd 100644
--- a/src/test/hs_test_helpers.c
+++ b/src/test/hs_test_helpers.c
@@ -85,6 +85,9 @@ hs_helper_build_intro_point(const ed25519_keypair_t *signing_kp, time_t now,
 
   intro_point = ip;
  done:
+  if (intro_point == NULL)
+    tor_free(ip);
+
   return intro_point;
 }
 
@@ -139,6 +142,9 @@ hs_helper_build_hs_desc_impl(unsigned int no_ip,
 
   descp = desc;
  done:
+  if (descp == NULL)
+    tor_free(desc);
+
   return descp;
 }
 
diff --git a/src/test/test_channelpadding.c b/src/test/test_channelpadding.c
index d54c9cc52c..0bc9699feb 100644
--- a/src/test/test_channelpadding.c
+++ b/src/test/test_channelpadding.c
@@ -745,6 +745,8 @@ test_channelpadding_consensus(void *arg)
   tt_i64_op(val, OP_LE, 24*60*60*2);
 
  done:
+  tor_free(relay);
+
   free_mock_consensus();
   free_fake_channeltls((channel_tls_t*)chan);
   smartlist_free(connection_array);