diff --git a/.hgignore b/.hgignore
index dc4a0cc..ae8c82f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -2,6 +2,7 @@
 syntax: regexp
 .git/
 privat/
+jupyter_book/_build
 
 # ### Project independed ###
 syntax: glob
diff --git a/jupyter_book/.hgignore b/jupyter_book/.hgignore
deleted file mode 100644
index a27ff01..0000000
--- a/jupyter_book/.hgignore
+++ /dev/null
@@ -1,43 +0,0 @@
-syntax: glob
-
-# ### Project specific ###
-.ipynb_checkpoints/
-_build/
-
-# ### Project independed ###
-
-# Mercurial
-*.orig
-
-# Maven
-release.properties
-target/
-
-# IntelliJ IDEA
-.idea/
-*.iml
-
-# Eclipse
-.settings/*.**
-.classpath
-.project
-
-# Netbeans
-nb-configuration.xml
-nbactions.xml
-nbproject
-
-# VisualStudio Code
-.vscode/
-
-# Temporary files used by the vim editor.
-.*.swp
-# Backup files left behind by the Emacs editor.
-*~
-# Lock files used by the Emacs editor.
-.\#*
-
-# Random OS stuff
-.DS_Store
-Thumbs.db
-