diff --git a/docs/master_makefile/Makefile b/docs/master_makefile/Makefile
index 12ffd7d..cd1d444 100644
--- a/docs/master_makefile/Makefile
+++ b/docs/master_makefile/Makefile
@@ -62,5 +62,4 @@ ${BOARD_BUILDDIR}/${TOP}.fasm: ${BOARD_BUILDDIR}/${TOP}.route
 ${BOARD_BUILDDIR}/${TOP}.bit: ${BOARD_BUILDDIR}/${TOP}.fasm
 	cd ${BOARD_BUILDDIR} && symbiflow_write_bitstream -d ${BITSTREAM_DEVICE} -f ${TOP}.fasm -p ${PARTNAME} -b ${TOP}.bit
 
-clean:
-	rm -rf ${BUILDDIR}
+include ${current_dir}/../../common/Makefile
\ No newline at end of file
diff --git a/xc7/timer/Makefile b/xc7/timer/Makefile
new file mode 100644
index 0000000..e022307
--- /dev/null
+++ b/xc7/timer/Makefile
@@ -0,0 +1,8 @@
+current_dir := ${CURDIR}
+TARGET := basys3
+TOP := top
+SOURCES := ${current_dir}/*.sv
+
+XDC := ${current_dir}/basys3.xdc
+
+include ${current_dir}/../../common/Makefile
\ No newline at end of file