diff --git a/.hgignore b/.hgignore
new file mode 100644
index 0000000..cefbcc5
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,3 @@
+syntax:glob
+dist
+build
diff --git a/setup.cfg b/setup.cfg
index fc54b0a..4c774df 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,3 +7,4 @@ with-doctest=1
 
 [pytest]
 addopts = --doctest-modules
+norecursedirs = build