diff --git a/go/reg-test/expected/case-dsl-warnings.sh.err b/go/reg-test/expected/case-dsl-warnings.sh.err
index 8b1378917..1bc32d7b6 100644
--- a/go/reg-test/expected/case-dsl-warnings.sh.err
+++ b/go/reg-test/expected/case-dsl-warnings.sh.err
@@ -1 +1,12 @@
 
+Variable name x might not have been assigned yet.
+Variable name x might not have been assigned yet.
+Variable name x might not have been assigned yet.
+Variable name y might not have been assigned yet.
+Variable name x might not have been assigned yet.
+Variable name y might not have been assigned yet.
+Variable name i might not have been assigned yet.
+Variable name m might not have been assigned yet.
+Variable name m might not have been assigned yet.
+Variable name m might not have been assigned yet.
+Variable name m might not have been assigned yet.
diff --git a/go/reg-test/expected/case-dsl-warnings.sh.out b/go/reg-test/expected/case-dsl-warnings.sh.out
index fef361638..9c678352a 100644
--- a/go/reg-test/expected/case-dsl-warnings.sh.out
+++ b/go/reg-test/expected/case-dsl-warnings.sh.out
@@ -26,45 +26,34 @@ mlr -n put -W y = $x
 mlr -n put y = x
 
 mlr -n put -w y = x
-Variable name x might not have been assigned yet.
 
 mlr -n put -W y = x
-Variable name x might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put z = x + y
 
 mlr -n put -w z = x + y
-Variable name x might not have been assigned yet.
-Variable name y might not have been assigned yet.
 
 mlr -n put -W z = x + y
-Variable name x might not have been assigned yet.
-Variable name y might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W i = 0; z[i] = 1
 
 mlr -n put -W z[i] = 1
-Variable name i might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W func f(n) { return n+1 }
 
 mlr -n put -W func f(n) { return m+1 }
-Variable name m might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W m = 0; func f(n) { return m+1 }
-Variable name m might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W subr f(n) { print m+1 }
-Variable name m might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W m = 0; subr f(n) { print m+1 }
-Variable name m might not have been assigned yet.
 mlr: Exiting due to warnings treated as fatal.
 
 mlr -n put -W if (false) {x = 1}; print x
diff --git a/go/todo.txt b/go/todo.txt
index 88044fd8b..2cfe63edc 100644
--- a/go/todo.txt
+++ b/go/todo.txt
@@ -4,8 +4,6 @@ TOP OF LIST:
 ! ut:
   o triple-for multi-middle case
 
-* -w's to stderr & trapping stderr in reg-test/run
-
 * regexes
   o finish stats1 -r
   o regex captures ...