diff --git a/src/test/checkqueue_tests.cpp b/src/test/checkqueue_tests.cpp
--- a/src/test/checkqueue_tests.cpp
+++ b/src/test/checkqueue_tests.cpp
@@ -385,11 +385,11 @@
         boost::thread_group tg;
         std::mutex m;
         std::condition_variable cv;
+        bool has_lock{false};
+        bool has_tried{false};
+        bool done{false};
+        bool done_ack{false};
         {
-            bool has_lock{false};
-            bool has_tried{false};
-            bool done{false};
-            bool done_ack{false};
             std::unique_lock<std::mutex> l(m);
             tg.create_thread([&] {
                 CCheckQueueControl<FakeCheck> control(queue.get());
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -36,6 +36,9 @@
 
 void CConnmanTest::ClearNodes() {
     LOCK(g_connman->cs_vNodes);
+    for (CNode *node : g_connman->vNodes) {
+        delete node;
+    }
     g_connman->vNodes.clear();
 }
 
@@ -215,4 +218,3 @@
     return CTxMemPoolEntry(tx, nFee, nTime, dPriority, nHeight, inChainValue,
                            spendsCoinbase, sigOpCost, lp);
 }
-