--- a/Makefile.am
+++ b/Makefile.am
@@ -18,7 +18,7 @@
 
 AM_CPPFLAGS = -DDEBUG -g -Wall \
             -DDATADIR=\"${pkgdatadir}\" -DCONFIGDIR=\"${sysconfdir}\" \
-            -DPACKAGE_VERSION=\"${PACKAGE_VERSION}\" -DDEFINE_LITTLE_ENDIAN
+            -DPACKAGE_VERSION=\"${PACKAGE_VERSION}\" 
 
 if WITH_OHBUILD
 AM_CPPFLAGS += \
@@ -41,13 +41,6 @@
 AM_CXXFLAGS = -std=c++11
 
 bin_PROGRAMS = sc2mpd mpd2sc
-
-# Maybe these are needed for the oh headers ?
-OHCCFLAGS = -D_GNU_SOURCE -D_REENTRANT -DDEFINE_LITTLE_ENDIAN \
-          -DDEFINE_TRACE \
-          -DDllImport="__attribute__ ((visibility(\"default\")))" \
-          -DDllExport="__attribute__ ((visibility(\"default\")))" \
-          -DDllExportClass="__attribute__ ((visibility(\"default\")))"
 
 OTHEROSC2 = $(TOPSCO)/Ohm.o $(TOPSCO)/OhmMsg.o $(TOPSCO)/OhmSocket.o \
              $(TOPSCO)/OhmReceiver.o $(TOPSCO)/OhmProtocolMulticast.o \