diff --git a/PDF/Makefile.am b/PDF/Makefile.am
--- a/PDF/Makefile.am
+++ b/PDF/Makefile.am
@@ -1,65 +1,64 @@
 EXTRA_DIST = diffraction
 
 pkglib_LTLIBRARIES = HwPomeronPDF.la
 HwPomeronPDF_la_SOURCES = \
 PomeronPDF.cc PomeronPDF.h
 ## add this to produce tests of the PDFs
 ## HwDIFFRACTIVEPDF_la_CPPFLAGS=$(AM_CPPFLAGS) -DDIFFRACTIVEPDF_TESTING
 HwPomeronPDF_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 4:0:0
 
 pkglib_LTLIBRARIES += HwReggeonPDF.la
 HwReggeonPDF_la_SOURCES = \
 ReggeonPDF.cc ReggeonPDF.h
 ## add this to produce tests of the PDFs
 ## HwDIFFRACTIVEPDF_la_CPPFLAGS=$(AM_CPPFLAGS) -DDIFFRACTIVEPDF_TESTING
 HwReggeonPDF_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 4:0:0
 
 pkglib_LTLIBRARIES += HwPomeronFlux.la
 HwPomeronFlux_la_SOURCES = \
 PomeronFlux.h PomeronFlux.cc
 HwPomeronFlux_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 5:0:0
 
 ## bound into HwShower.la
 noinst_LTLIBRARIES = libHwRemDecayer.la
 libHwRemDecayer_la_SOURCES = \
 HwRemDecayer.h HwRemDecayer.cc HwRemDecayer.fh
 
 ## bound into HwShower.la
 noinst_LTLIBRARIES += libHwMPIPDF.la
 libHwMPIPDF_la_SOURCES = \
 MPIPDF.h MPIPDF.cc MPIPDF.fh \
-MPIPDF2.h MPIPDF2.cc MPIPDF2.fh \
 MinBiasPDF.h MinBiasPDF.cc MinBiasPDF.fh
 
 pkglib_LTLIBRARIES += HwSatPDF.la
 HwSatPDF_la_SOURCES = \
 SatPDF.h SatPDF.cc
 
 HwSatPDF_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 7:0:0
 
 pkglib_LTLIBRARIES += HwPartonExtractor.la
 HwPartonExtractor_la_SOURCES = \
 MultiPartonExtractor.h MultiPartonExtractor.cc
 
 HwPartonExtractor_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 7:0:0
 
 pkglib_LTLIBRARIES += HwIncomingPhotonEvolver.la
 HwIncomingPhotonEvolver_la_SOURCES = \
 IncomingPhotonEvolver.h IncomingPhotonEvolver.cc
 
 HwIncomingPhotonEvolver_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 7:0:0
 
 pkglib_LTLIBRARIES += HwSaSPhotonPDF.la
 HwSaSPhotonPDF_la_SOURCES = \
 SaSGamma.f SaSPhotonPDF.cc SaSPhotonPDF.h
 
 HwSaSPhotonPDF_la_LDFLAGS = $(AM_LDFLAGS) -module -version-info 2:0:0
 
 install-data-local:
 	for i in `find $(srcdir)/diffraction -name '*.data'`; \
 	do \
 	$(install_sh_DATA) $$i $(DESTDIR)$(pkgdatadir)/PDF/$${i#$(srcdir)/}; \
 	done
 
 uninstall-local:
 	rm -rf $(DESTDIR)$(pkgdatadir)/PDF