diff --git a/OGoContentStore/common.h b/OGoContentStore/common.h
index 8dde8af2b..460a88ee8 100644
--- a/OGoContentStore/common.h
+++ b/OGoContentStore/common.h
@@ -25,6 +25,8 @@
 
 #include <NGExtensions/NGExtensions.h>
 
+#warning importing common.h is baaad
+
 #if NeXT_RUNTIME || APPLE_RUNTIME
 #  define objc_free(__mem__)    free(__mem__)
 #  define objc_malloc(__size__) malloc(__size__)
diff --git a/SoObjects/Appointments/common.h b/SoObjects/Appointments/common.h
index acd6f20fa..c3c5c3aef 100644
--- a/SoObjects/Appointments/common.h
+++ b/SoObjects/Appointments/common.h
@@ -29,3 +29,5 @@
 #include <NGExtensions/NGExtensions.h>
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad
diff --git a/SoObjects/Contacts/common.h b/SoObjects/Contacts/common.h
index 68bb510c6..1726b97cf 100644
--- a/SoObjects/Contacts/common.h
+++ b/SoObjects/Contacts/common.h
@@ -31,3 +31,4 @@
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
 
+#warning importing common.h is baaad
diff --git a/SoObjects/Mailer/common.h b/SoObjects/Mailer/common.h
index c694a6dc5..634e72ebc 100644
--- a/SoObjects/Mailer/common.h
+++ b/SoObjects/Mailer/common.h
@@ -36,3 +36,5 @@
 #include <NGObjWeb/SoObject+SoDAV.h>
 
 #include <NGImap4/NGImap4Connection.h>
+
+#warning importing common.h is baaad
diff --git a/SoObjects/Sieve/common.h b/SoObjects/Sieve/common.h
index bf5ab285e..3c76bc134 100644
--- a/SoObjects/Sieve/common.h
+++ b/SoObjects/Sieve/common.h
@@ -32,3 +32,5 @@
 #include <NGObjWeb/SoObjects.h>
 
 #include <NGImap4/NGImap4Client.h>
+
+#warning importing common.h is baaad
diff --git a/UI/Common/common.h b/UI/Common/common.h
index ea759a93a..803270d7a 100644
--- a/UI/Common/common.h
+++ b/UI/Common/common.h
@@ -22,6 +22,8 @@
 
 #import <Foundation/Foundation.h>
 
+#warning importing common.h is baaad
+
 #if LIB_FOUNDATION_LIBRARY
 #  include <Foundation/exceptions/GeneralExceptions.h>
 #elif NeXT_Foundation_LIBRARY || COCOA_Foundation_LIBRARY
diff --git a/UI/Contacts/common.h b/UI/Contacts/common.h
index 8970a586d..48d9932d0 100644
--- a/UI/Contacts/common.h
+++ b/UI/Contacts/common.h
@@ -32,3 +32,5 @@
 #include <NGExtensions/NGExtensions.h>
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad
diff --git a/UI/MailPartViewers/common.h b/UI/MailPartViewers/common.h
index 9e98639ce..6cda6842f 100644
--- a/UI/MailPartViewers/common.h
+++ b/UI/MailPartViewers/common.h
@@ -31,3 +31,5 @@
 #include <NGExtensions/NGExtensions.h>
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad
diff --git a/UI/MailerUI/common.h b/UI/MailerUI/common.h
index ca5c2267c..4906cbaeb 100644
--- a/UI/MailerUI/common.h
+++ b/UI/MailerUI/common.h
@@ -32,3 +32,5 @@
 #include <NGExtensions/NGExtensions.h>
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad
diff --git a/UI/MainUI/common.h b/UI/MainUI/common.h
index f9a141d42..31ebcf927 100644
--- a/UI/MainUI/common.h
+++ b/UI/MainUI/common.h
@@ -32,3 +32,5 @@
 #include <NGObjWeb/SoObjects.h>
 
 #include <GDLAccess/GDLAccess.h>
+
+#warning importing common.h is baaad
diff --git a/UI/SOGoUI/common.h b/UI/SOGoUI/common.h
index 4a433df21..56a455ce6 100644
--- a/UI/SOGoUI/common.h
+++ b/UI/SOGoUI/common.h
@@ -24,3 +24,5 @@
 
 #include <NGObjWeb/NGObjWeb.h>
 #include <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad
diff --git a/UI/Scheduler/common.h b/UI/Scheduler/common.h
index abb1937a6..6510c2ea2 100644
--- a/UI/Scheduler/common.h
+++ b/UI/Scheduler/common.h
@@ -32,3 +32,5 @@
 #import <NGExtensions/NGExtensions.h>
 #import <NGObjWeb/NGObjWeb.h>
 #import <NGObjWeb/SoObjects.h>
+
+#warning importing common.h is baaad