diff --git a/Makefile b/Makefile
index d73f772..28e1fcb 100644
--- a/Makefile
+++ b/Makefile
@@ -67,6 +67,6 @@ all: $(pdfs) clean
 
 # clean up everything except final pdfs
 clean:
-	latexmk -c .
+	latexmk -c output/*
 
 .DEFAULT_GOAL := all
diff --git a/latexmkrc b/latexmkrc
deleted file mode 100644
index 3eb9277..0000000
--- a/latexmkrc
+++ /dev/null
@@ -1,5 +0,0 @@
-$pdflatex = "xelatex %O %S -synctex=1 -interaction=batchmode";
-$pdf_mode = 1;
-$dvi_mode = $postscript_mode = 0;
-$out_dir = "output";
-$clean_ext = "xdv log fdb_latexmk fls";