diff --git a/TODO.md b/TODO.md
index d324b228b..46b0e256d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -7,4 +7,3 @@ This is just to keep track of what we need to do in the short term.
   * Providers/AWS: `aws_eip` needs an update func (re-assocation, I think this
       is possible in the AWS API). `aws_eip` also needs improved tests
   * JSON overrides
-  * Validation of unknown top-level configs, i.e. "variables" typo