diff --git a/src/add-ons/mail_daemon/inbound_protocols/imap/Jamfile b/src/add-ons/mail_daemon/inbound_protocols/imap/Jamfile
index 68a7c76775..e5ab6ff7eb 100644
--- a/src/add-ons/mail_daemon/inbound_protocols/imap/Jamfile
+++ b/src/add-ons/mail_daemon/inbound_protocols/imap/Jamfile
@@ -10,9 +10,6 @@ UsePublicHeaders [ FDirName add-ons mail_daemon ] ;
 UsePrivateHeaders mail shared ;
 SubDirHdrs [ FDirName $(SUBDIR) imap_lib ] ;
 
-UseLibraryHeaders linprog alm ;
-
-
 SubDirHdrs [ FDirName $(HAIKU_TOP) headers os add-ons mail_daemon ] ;
 
 local sources =
diff --git a/src/preferences/datatranslations/Jamfile b/src/preferences/datatranslations/Jamfile
index 8ab411d34d..a9958dc6e5 100644
--- a/src/preferences/datatranslations/Jamfile
+++ b/src/preferences/datatranslations/Jamfile
@@ -1,7 +1,5 @@
 SubDir HAIKU_TOP src preferences datatranslations ;
 
-UseLibraryHeaders lp_solve linprog alm ;
-
 UsePrivateHeaders shared ;
 
 Preference DataTranslations :