diff --git a/src/common/protocol.cpp b/src/common/protocol.cpp
index 110afc760c..0173b097b7 100644
--- a/src/common/protocol.cpp
+++ b/src/common/protocol.cpp
@@ -34,6 +34,8 @@
 // wxProtoInfo
 // ----------------------------------------------------------------------------
 
+IMPLEMENT_CLASS(wxProtoInfo, wxObject)
+
 wxProtoInfo::wxProtoInfo(const wxChar *name, const wxChar *serv,
                          const bool need_host1, wxClassInfo *info)
            : m_protoname(name),
diff --git a/src/common/url.cpp b/src/common/url.cpp
index 4d68232825..cbca1ffeb3 100644
--- a/src/common/url.cpp
+++ b/src/common/url.cpp
@@ -30,7 +30,6 @@
 #include <string.h>
 #include <ctype.h>
 
-IMPLEMENT_CLASS(wxProtoInfo, wxObject)
 IMPLEMENT_CLASS(wxURL, wxURI)
 
 // Protocols list