diff --git a/Userland/Libraries/LibCore/SecretString.h b/Userland/Libraries/LibCore/SecretString.h
index 0e5db04d6e..4037800960 100644
--- a/Userland/Libraries/LibCore/SecretString.h
+++ b/Userland/Libraries/LibCore/SecretString.h
@@ -14,6 +14,7 @@ namespace Core {
 
 class SecretString {
     AK_MAKE_NONCOPYABLE(SecretString);
+    AK_MAKE_DEFAULT_MOVABLE(SecretString);
 
 public:
     [[nodiscard]] static ErrorOr<SecretString> take_ownership(char*&, size_t);
@@ -26,8 +27,6 @@ public:
 
     SecretString() = default;
     ~SecretString();
-    SecretString(SecretString&&) = default;
-    SecretString& operator=(SecretString&&) = default;
 
 private:
     explicit SecretString(ByteBuffer&&);
diff --git a/Userland/Libraries/LibCore/System.h b/Userland/Libraries/LibCore/System.h
index 98d1f7b6d2..912f2f4941 100644
--- a/Userland/Libraries/LibCore/System.h
+++ b/Userland/Libraries/LibCore/System.h
@@ -237,9 +237,9 @@ ErrorOr<int> poll(Span<struct pollfd>, int timeout);
 
 class AddressInfoVector {
     AK_MAKE_NONCOPYABLE(AddressInfoVector);
+    AK_MAKE_DEFAULT_MOVABLE(AddressInfoVector);
 
 public:
-    AddressInfoVector(AddressInfoVector&&) = default;
     ~AddressInfoVector() = default;
 
     ReadonlySpan<struct addrinfo> addresses() const { return m_addresses; }
diff --git a/Userland/Libraries/LibCore/ThreadEventQueue.cpp b/Userland/Libraries/LibCore/ThreadEventQueue.cpp
index 61a947e653..6bd5514d4f 100644
--- a/Userland/Libraries/LibCore/ThreadEventQueue.cpp
+++ b/Userland/Libraries/LibCore/ThreadEventQueue.cpp
@@ -18,6 +18,7 @@ namespace Core {
 struct ThreadEventQueue::Private {
     struct QueuedEvent {
         AK_MAKE_NONCOPYABLE(QueuedEvent);
+        AK_MAKE_DEFAULT_MOVABLE(QueuedEvent);
 
     public:
         QueuedEvent(Object& receiver, NonnullOwnPtr<Event> event)
@@ -26,12 +27,6 @@ struct ThreadEventQueue::Private {
         {
         }
 
-        QueuedEvent(QueuedEvent&& other)
-            : receiver(other.receiver)
-            , event(move(other.event))
-        {
-        }
-
         ~QueuedEvent() = default;
 
         WeakPtr<Object> receiver;