diff --git a/.gitignore b/.gitignore
index c2ab4b51..bdeb8512 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ extensions/fablabchemnitz/animate_order/drawing.svg
 extensions/fablabchemnitz/animate_order/animate_order.html
 extensions/fablabchemnitz/path2flex/DebugPath2Flex.txt
 extensions/fablabchemnitz/elliptical_cone_box/DebugEllConicBox.txt
+extensions/.pydevproject
diff --git a/extensions/.pydevproject b/extensions/.pydevproject
deleted file mode 100644
index 2b045655..00000000
--- a/extensions/.pydevproject
+++ /dev/null
@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?eclipse-pydev version="1.0"?><pydev_project>
-    <pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
-    <pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python interpreter</pydev_property>
-</pydev_project>
diff --git a/extensions/.settings/org.eclipse.core.resources.prefs b/extensions/.settings/org.eclipse.core.resources.prefs
deleted file mode 100644
index 60963f7c..00000000
--- a/extensions/.settings/org.eclipse.core.resources.prefs
+++ /dev/null
@@ -1,2 +0,0 @@
-eclipse.preferences.version=1
-encoding//fablabchemnitz/import_3d_mesh/import_3d_mesh.py=utf-8