diff --git a/2015/.envrc b/2015/.envrc
deleted file mode 100644
index 24bb1b6..0000000
--- a/2015/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-export ADVENT_OF_CODE_SESSION=53616c7465645f5f18112545c7b5290961cf3f2c965e90c1b68415326ef1f99790e4dde4ef0cebc7abd120ea1b537aada76420516a0ceb883a722a84b81e7a02
diff --git a/2015/.gitignore b/2015/.gitignore
index 2ecc027..28a8112 100644
--- a/2015/.gitignore
+++ b/2015/.gitignore
@@ -26,3 +26,5 @@ advent_of_code_2015-*.tar
 /tmp/
 
 /input/
+
+.envrc