diff --git a/src/addrman.h b/src/addrman.h
index bcb6790b99..b432e6afb4 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -117,7 +117,7 @@ public:
     * @param[in] in_new           Select addresses only from one table (true = new, false = tried, nullopt = both)
     * @return                     Number of unique addresses that match specified options.
     */
-    size_t Size(std::optional<Network> net = {}, std::optional<bool> in_new = {}) const;
+    size_t Size(std::optional<Network> net = std::nullopt, std::optional<bool> in_new = std::nullopt) const;
 
     /**
      * Attempt to add one or more addresses to addrman's new table.
diff --git a/src/test/addrman_tests.cpp b/src/test/addrman_tests.cpp
index 4167c2b867..97768a8851 100644
--- a/src/test/addrman_tests.cpp
+++ b/src/test/addrman_tests.cpp
@@ -1035,8 +1035,6 @@ BOOST_AUTO_TEST_CASE(load_addrman_corrupted)
     } catch (const std::exception&) {
         exceptionThrown = true;
     }
-    // Even though de-serialization failed addrman is not left in a clean state.
-    BOOST_CHECK(addrman1.Size() == 1);
     BOOST_CHECK(exceptionThrown);
 
     // Test that ReadFromStream fails if peers.dat is corrupt