diff --git a/.hgignore b/.hgignore
index 9281c5e1..c27ee1ef 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,4 +1,3 @@
-# Add no patterns to .hgignore except for files generated by 'go build'/'go test'.
+# Add no patterns to .hgignore except for files generated by the build.
 syntax:glob
 last-change
-*.got
diff --git a/oracle/oracle_test.go b/oracle/oracle_test.go
index cd63398b..9a0a7e46 100644
--- a/oracle/oracle_test.go
+++ b/oracle/oracle_test.go
@@ -234,6 +234,7 @@ func TestOracle(t *testing.T) {
 			continue
 		}
 		defer gotfh.Close()
+		defer os.Remove(got)
 
 		// Run the oracle on each query, redirecting its output
 		// and error (if any) to the foo.got file.
diff --git a/refactor/eg/eg_test.go b/refactor/eg/eg_test.go
index 38174029..fa5bcc11 100644
--- a/refactor/eg/eg_test.go
+++ b/refactor/eg/eg_test.go
@@ -119,6 +119,7 @@ func Test(t *testing.T) {
 		if err := eg.WriteAST(iprog.Fset, got, file); err != nil {
 			t.Error(err)
 		}
+		defer os.Remove(got)
 
 		// Compare foo.got with foo.golden.
 		var cmd *exec.Cmd