Index: src/SynTree/module.mk
===================================================================
--- src/SynTree/module.mk	(revision 888339e49e0dfdc2d6c754b7216c77bd5a8afc43)
+++ src/SynTree/module.mk	(revision 2ec65ad39e90408775929f92fdbbcf4a1b3bb9de)
@@ -46,6 +46,4 @@
        SynTree/TypeDecl.cc \
        SynTree/Initializer.cc \
-       SynTree/Visitor.cc \
-       SynTree/Mutator.cc \
        SynTree/TypeSubstitution.cc \
        SynTree/Attribute.cc \