diff --git a/src/qt/addresstablemodel.cpp b/src/qt/addresstablemodel.cpp
--- a/src/qt/addresstablemodel.cpp
+++ b/src/qt/addresstablemodel.cpp
@@ -361,12 +361,8 @@
     }
 
     // Add entry
-    {
-        LOCK(wallet->cs_wallet);
-        wallet->SetAddressBook(
-            DecodeDestination(strAddress, wallet->chainParams), strLabel,
-            (type == Send ? "send" : "receive"));
-    }
+    wallet->SetAddressBook(DecodeDestination(strAddress, wallet->chainParams),
+                           strLabel, (type == Send ? "send" : "receive"));
     return QString::fromStdString(strAddress);
 }
 
@@ -380,11 +376,8 @@
         // Also refuse to remove receiving addresses.
         return false;
     }
-    {
-        LOCK(wallet->cs_wallet);
-        wallet->DelAddressBook(
-            DecodeDestination(rec->address.toStdString(), wallet->chainParams));
-    }
+    wallet->DelAddressBook(
+        DecodeDestination(rec->address.toStdString(), wallet->chainParams));
     return true;
 }