diff --git a/passes/silimate/Makefile.inc b/passes/silimate/Makefile.inc
deleted file mode 100644
index e0320d74a..000000000
--- a/passes/silimate/Makefile.inc
+++ /dev/null
@@ -1,75 +0,0 @@
-
-OBJS += passes/silimate/activity.o
-OBJS += passes/silimate/annotate_cell_fanout.o
-OBJS += passes/silimate/annotate_ff_width.o
-OBJS += passes/silimate/breakreduce.o
-OBJS += passes/silimate/breaksop.o
-OBJS += passes/silimate/bus_rebuild.o
-OBJS += passes/silimate/fanoutbuf.o
-OBJS += passes/silimate/l2j_frontend.o
-OBJS += passes/silimate/mux_push.o
-OBJS += passes/silimate/obs_clean.o
-OBJS += passes/silimate/segv.o
-OBJS += passes/silimate/reg_rename.o
-OBJS += passes/silimate/infer_ce.o
-OBJS += passes/silimate/ffnormpol.o
-OBJS += passes/silimate/report_fanout.o
-OBJS += passes/silimate/splitfanout.o
-OBJS += passes/silimate/splitlarge.o
-OBJS += passes/silimate/splitnetlist.o
-OBJS += passes/silimate/opt_timing_balance.o
-OBJS += passes/silimate/cone_partition.o
-OBJS += passes/silimate/clkmerge.o
-OBJS += passes/silimate/opt_boundary.o
-OBJS += passes/silimate/opt_vps.o
-OBJS += passes/silimate/opt_compact_prefix.o
-OBJS += passes/silimate/infer_icg.o
-
-OBJS += passes/silimate/opt_expand.o
-GENFILES += passes/silimate/peepopt_expand.h
-passes/silimate/opt_expand.o: passes/silimate/peepopt_expand.h
-$(eval $(call add_extra_objs,passes/silimate/peepopt_expand.h))
-
-PEEPOPT_PATTERN  = passes/silimate/peepopt_expand.pmg
-
-passes/silimate/peepopt_expand.h: passes/pmgen/pmgen.py $(PEEPOPT_PATTERN)
-	$(P) mkdir -p $(dir $@) && $(PYTHON_EXECUTABLE) $< -o $@ -p peepopt $(filter-out $<,$^)
-
-OBJS += passes/silimate/opt_shift.o
-GENFILES += passes/silimate/peepopt_shift.h
-passes/silimate/opt_shift.o: passes/silimate/peepopt_shift.h
-$(eval $(call add_extra_objs,passes/silimate/peepopt_shift.h))
-
-PEEPOPT_PATTERN  = passes/silimate/peepopt_combine_shifts.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_expand_shifts.pmg
-
-passes/silimate/peepopt_shift.h: passes/pmgen/pmgen.py $(PEEPOPT_PATTERN)
-	$(P) mkdir -p $(dir $@) && $(PYTHON_EXECUTABLE) $< -o $@ -p peepopt $(filter-out $<,$^)
-
-OBJS += passes/silimate/muxmode.o
-GENFILES += passes/silimate/peepopt_muxmode.h
-passes/silimate/muxmode.o: passes/silimate/peepopt_muxmode.h
-$(eval $(call add_extra_objs,passes/silimate/peepopt_muxmode.h))
-
-PEEPOPT_PATTERN  = passes/silimate/peepopt_muxmode.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_muxinvprop.pmg
-
-passes/silimate/peepopt_muxmode.h: passes/pmgen/pmgen.py $(PEEPOPT_PATTERN)
-	$(P) mkdir -p $(dir $@) && $(PYTHON_EXECUTABLE) $< -o $@ -p peepopt $(filter-out $<,$^)
-
-OBJS += passes/silimate/negopt.o
-GENFILES += passes/silimate/peepopt_negopt.h
-passes/silimate/negopt.o: passes/silimate/peepopt_negopt.h
-$(eval $(call add_extra_objs,passes/silimate/peepopt_negopt.h))
-
-PEEPOPT_PATTERN  = passes/silimate/peepopt_manual2sub.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_sub2neg.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_negexpand.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_negneg.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_negmux.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_negrebuild.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_muxneg.pmg
-PEEPOPT_PATTERN += passes/silimate/peepopt_neg2sub.pmg
-
-passes/silimate/peepopt_negopt.h: passes/pmgen/pmgen.py $(PEEPOPT_PATTERN)
-	$(P) mkdir -p $(dir $@) && $(PYTHON_EXECUTABLE) $< -o $@ -p peepopt $(filter-out $<,$^)