diff --git a/src/common/object.cpp b/src/common/object.cpp
index b01cab1531..6f378e6810 100644
--- a/src/common/object.cpp
+++ b/src/common/object.cpp
@@ -254,6 +254,8 @@ void wxObject::StoreObject( wxObjectOutputStream& stream )
 
   serial->SetObject(this);
   serial->StoreObject(stream);
+
+  delete serial;
 }
 
 void wxObject::LoadObject( wxObjectInputStream& stream )
@@ -275,6 +277,8 @@ void wxObject::LoadObject( wxObjectInputStream& stream )
 
   serial->SetObject(this);
   serial->LoadObject(stream);
+
+  delete serial;
 }
 
 #endif
diff --git a/src/common/stream.cpp b/src/common/stream.cpp
index 44226e5721..34b9f1be7d 100644
--- a/src/common/stream.cpp
+++ b/src/common/stream.cpp
@@ -42,6 +42,7 @@ wxStreamBuffer::wxStreamBuffer(wxOutputStream& o_stream)
 
 wxStreamBuffer::~wxStreamBuffer()
 {
+  wxDELETEA(m_buffer_start);
 }
 
 void wxStreamBuffer::WriteBack(char c)