diff --git a/passes/dfflibmap/Makefile.inc b/passes/dfflibmap/Makefile.inc
deleted file mode 100644
index b4d73fa12..000000000
--- a/passes/dfflibmap/Makefile.inc
+++ /dev/null
@@ -1,10 +0,0 @@
-
-OBJS += passes/dfflibmap/dfflibmap.o
-OBJS += passes/dfflibmap/libparse.o
-
-TARGETS += yosys-filterlib
-GENFILES += passes/dfflibmap/filterlib.o
-
-yosys-filterlib: passes/dfflibmap/filterlib.o
-	$(CXX) -o yosys-filterlib $(LDFLAGS) $^ $(LDLIBS)
-
diff --git a/passes/techmap/Makefile.inc b/passes/techmap/Makefile.inc
index 152950663..022603564 100644
--- a/passes/techmap/Makefile.inc
+++ b/passes/techmap/Makefile.inc
@@ -1,6 +1,9 @@
 
+OBJS += passes/techmap/techmap.o
+OBJS += passes/techmap/dfflibmap.o
+OBJS += passes/techmap/libparse.o
+
 GENFILES += passes/techmap/stdcells.inc
-OBJS += passes/techmap/techmap.o
 
 passes/techmap/stdcells.inc: techlibs/common/stdcells.v
 	echo "// autogenerated from $<" > $@.new
@@ -10,3 +13,9 @@ passes/techmap/stdcells.inc: techlibs/common/stdcells.v
 
 passes/techmap/techmap.o: passes/techmap/stdcells.inc
 
+TARGETS += yosys-filterlib
+GENFILES += passes/techmap/filterlib.o
+
+yosys-filterlib: passes/techmap/filterlib.o
+	$(CXX) -o yosys-filterlib $(LDFLAGS) $^ $(LDLIBS)
+
diff --git a/passes/dfflibmap/dfflibmap.cc b/passes/techmap/dfflibmap.cc
similarity index 100%
rename from passes/dfflibmap/dfflibmap.cc
rename to passes/techmap/dfflibmap.cc
diff --git a/passes/dfflibmap/filterlib.cc b/passes/techmap/filterlib.cc
similarity index 100%
rename from passes/dfflibmap/filterlib.cc
rename to passes/techmap/filterlib.cc
diff --git a/passes/dfflibmap/libparse.cc b/passes/techmap/libparse.cc
similarity index 100%
rename from passes/dfflibmap/libparse.cc
rename to passes/techmap/libparse.cc
diff --git a/passes/dfflibmap/libparse.h b/passes/techmap/libparse.h
similarity index 100%
rename from passes/dfflibmap/libparse.h
rename to passes/techmap/libparse.h