diff --git a/.gitignore b/.gitignore
index 6d52965..53270e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -68,3 +68,4 @@ target/
 
 #Ipython Notebook
 .ipynb_checkpoints
+*.substvars
diff --git a/debian/changelog b/debian/changelog
index d665d98..6d37e7a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,4 +2,4 @@ ahenk (1.0) unstable; urgency=low
 
   * Ahenk core app
 
- -- ismail.basaran <ismail.basaran@tubitak.gov.tr>  Thu, 10 Dec 2015 22:21:04 +0200
+ -- volkansahin <volkan.sahin@agem.com.tr>  Thu, 10 Dec 2015 22:21:04 +0200
diff --git a/debian/prerm b/debian/prerm
new file mode 100644
index 0000000..3e7f89e
--- /dev/null
+++ b/debian/prerm
@@ -0,0 +1 @@
+find /opt/ahenk | grep -E "(__pycache__|\.pyc|\.pyo$)" | xargs rm -rf