diff --git a/src/net_processing.cpp b/src/net_processing.cpp
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -481,7 +481,7 @@
         return m_tx_relay.get();
     };
 
-    TxRelay *GetTxRelay() {
+    TxRelay *GetTxRelay() EXCLUSIVE_LOCKS_REQUIRED(!m_tx_relay_mutex) {
         return WITH_LOCK(m_tx_relay_mutex, return m_tx_relay.get());
     };
 
diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp
--- a/src/qt/clientmodel.cpp
+++ b/src/qt/clientmodel.cpp
@@ -247,7 +247,8 @@
 static void BlockTipChanged(ClientModel *clientmodel,
                             SynchronizationState sync_state,
                             interfaces::BlockTip tip,
-                            double verificationProgress, bool fHeader) {
+                            double verificationProgress, bool fHeader)
+    EXCLUSIVE_LOCKS_REQUIRED(!clientmodel->m_cached_tip_mutex) {
     if (fHeader) {
         // cache best headers time and height to reduce future cs_main locks
         clientmodel->cachedBestHeaderHeight = tip.block_height;