diff --git a/compile_all.py b/compile_all.py
index b3fc3c9..8c4d0ad 100755
--- a/compile_all.py
+++ b/compile_all.py
@@ -64,6 +64,12 @@ def build(algo_dir, template_dir, build_dir):
         p.wait()
         assert p.returncode == 0
 
+        if os.path.isfile('./cleanup'):
+            p = subprocess.Popen(["./cleanup"])
+            p.wait()
+            assert p.returncode == 0
+
+
     finally:
         sys.stdout.flush()
         sys.stderr.flush()
diff --git a/templates/f7/Makefile b/templates/f7/Makefile
index 8d23dd3..0b0cbcb 100644
--- a/templates/f7/Makefile
+++ b/templates/f7/Makefile
@@ -20,9 +20,9 @@ TARGET = f7
 # building variables
 ######################################
 # debug build?
-DEBUG = 1
+DEBUG = 0
 # optimization
-OPT = -Og
+OPT = -O2
 
 
 #######################################
diff --git a/templates/f7/cleanup b/templates/f7/cleanup
new file mode 100755
index 0000000..a83f262
--- /dev/null
+++ b/templates/f7/cleanup
@@ -0,0 +1,5 @@
+#!/bin/bash
+rm -rf ./Drivers/
+rm build/*.o
+rm build/*.d
+rm build/*.lst
diff --git a/templates/f7/configure b/templates/f7/configure
index 063dc69..cfde59c 100755
--- a/templates/f7/configure
+++ b/templates/f7/configure
@@ -1,4 +1,6 @@
 #!/bin/bash
 mv -n *.inc *.h Inc/
 sed -i src/encrypt.c -e "s/\(\s\)init(/\1_init(/g"
+mkdir -p /tmp/f7/Drivers
+ln -s /tmp/f7/Drivers Drivers
 exit 0