diff --git a/AK/Bitmap.h b/AK/Bitmap.h
index 1e0564b7db1..6cc1b655d9e 100644
--- a/AK/Bitmap.h
+++ b/AK/Bitmap.h
@@ -49,7 +49,7 @@ public:
     Bitmap& operator=(Bitmap&& other)
     {
         if (this != &other) {
-            kfree(m_data);
+            kfree_sized(m_data, size_in_bytes());
             m_data = exchange(other.m_data, nullptr);
             m_size = exchange(other.m_size, 0);
         }
@@ -59,7 +59,7 @@ public:
     ~Bitmap()
     {
         if (m_is_owning) {
-            kfree(m_data);
+            kfree_sized(m_data, size_in_bytes());
         }
         m_data = nullptr;
     }
@@ -107,7 +107,7 @@ public:
             __builtin_memcpy(m_data, previous_data, previous_size_bytes);
             if (previous_size % 8)
                 set_range(previous_size, 8 - previous_size % 8, default_value);
-            kfree(previous_data);
+            kfree_sized(previous_data, previous_size_bytes);
         }
     }