diff --git a/mk/linux/glest b/mk/linux/glest
index 6bfb3711..fb6df7d8 100755
--- a/mk/linux/glest
+++ b/mk/linux/glest
@@ -136,5 +136,10 @@ findMissingSO "$LDCONFIG" "$GAMEDIR/$LIBDIR/${DIRECTFB_LINKEDLIBNAME}" "$DIRECTF
 findMissingSO "$LDCONFIG" "$GAMEDIR/$LIBDIR/${FUSION_LINKEDLIBNAME}" "$FUSION_LIBLOOKUP1" "$FUSION_LIBLOOKUP2"
 findMissingSO "$LDCONFIG" "$GAMEDIR/$LIBDIR/${DIRECT_LINKEDLIBNAME}" "$DIRECT_LIBLOOKUP1" "$DIRECT_LIBLOOKUP2"
 
+if [ -d techs/megapack/factions/norsemen/upgrades/training_field ]; then
+	# removed as of 3.3.5.1 beta1
+	rm -r techs/megapack/factions/norsemen/upgrades/training_field
+fi
+
 ./bin/glest.bin $@
 # ./bin/glest.bin $@ 2>&1 | tee -a /tmp/`date +"%F_%k-%M-%S"`.glest.log 2>&1