diff --git a/AK/Span.h b/AK/Span.h
index e6b0d74f61..a0084d6340 100644
--- a/AK/Span.h
+++ b/AK/Span.h
@@ -164,15 +164,18 @@ public:
         return this->m_values + start;
     }
 
-    ALWAYS_INLINE void copy_to(Span other) const
+    ALWAYS_INLINE size_t copy_to(Span<typename RemoveConst<T>::Type> other) const
     {
         ASSERT(other.size() >= size());
         __builtin_memmove(other.data(), data(), sizeof(T) * size());
+        return size();
     }
 
-    ALWAYS_INLINE void copy_trimmed_to(Span other) const
+    ALWAYS_INLINE size_t copy_trimmed_to(Span<typename RemoveConst<T>::Type> other) const
     {
-        __builtin_memmove(other.data(), data(), sizeof(T) * min(size(), other.size()));
+        auto count = min(size(), other.size());
+        __builtin_memmove(other.data(), data(), sizeof(T) * count);
+        return count;
     }
 
     ALWAYS_INLINE void fill(const T& value)