diff --git a/index.tex b/index.tex
index 7e2e3c7..0316054 100644
--- a/index.tex
+++ b/index.tex
@@ -29,4 +29,5 @@ headinclude=true,footinclude=false,BCOR=1cm]{scrbook}
 %%% Local Variables:
 %%% mode: latex
 %%% TeX-master: t
+%%% TeX-output-dir: "output"
 %%% End:
diff --git a/latexmkrc b/latexmkrc
index 6f3c6c9..998a87a 100644
--- a/latexmkrc
+++ b/latexmkrc
@@ -1,2 +1,3 @@
 $pdf_mode = 4;
 @default_files = ('index.tex');
+$out_dir = 'output';
diff --git a/src/index.tex b/src/index.tex
index 86946b9..c264cc4 100644
--- a/src/index.tex
+++ b/src/index.tex
@@ -785,13 +785,6 @@ some \(τ\geq 0\).
 
 
 
-
-
-
-
-
-
-
 %%% Local Variables:
 %%% mode: latex
 %%% TeX-master: "../index.tex"