diff --git a/test_regress/t/t_lint_implicit_bad.pl b/test_regress/t/t_lint_implicit_bad.pl
index 594ae1d01..6b3e615db 100755
--- a/test_regress/t/t_lint_implicit_bad.pl
+++ b/test_regress/t/t_lint_implicit_bad.pl
@@ -10,7 +10,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 top_filename("t/t_lint_implicit.v");
 
 compile (
-	 v_flags2 => ["--lint-only -Wall -Wno-DECLFILENAME"],
+	 v_flags2 => ["--lint-only -Wwarn-IMPLICIT"],
 	 fails=>1,
 	 expect=>
 '%Warning-IMPLICIT: t/t_lint_implicit.v:\d+: Signal definition not found, creating implicitly: b
diff --git a/test_regress/t/t_var_bad_hide.pl b/test_regress/t/t_var_bad_hide.pl
index 6a0fa0094..f6b7ad616 100755
--- a/test_regress/t/t_var_bad_hide.pl
+++ b/test_regress/t/t_var_bad_hide.pl
@@ -8,7 +8,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 # Version 2.0.
 
 compile (
-	 v_flags2 => ["--lint-only -Wall -Wno-DECLFILENAME"],
+	 v_flags2 => ["--lint-only -Wwarn-VARHIDDEN"],
 	 fails=>$Self->{v3},
 	 expect=>
 '%Warning-VARHIDDEN: t/t_var_bad_hide.v:\d+: Declaration of signal hides declaration in upper scope: top
diff --git a/test_regress/t/t_var_bad_hide2.pl b/test_regress/t/t_var_bad_hide2.pl
index 9fb47f2d8..cffe32469 100755
--- a/test_regress/t/t_var_bad_hide2.pl
+++ b/test_regress/t/t_var_bad_hide2.pl
@@ -8,7 +8,7 @@ if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); di
 # Version 2.0.
 
 compile (
-	 v_flags2 => ["--lint-only -Wall -Wno-DECLFILENAME"],
+	 v_flags2 => ["--lint-only -Wwarn-VARHIDDEN"],
 	 fails=>$Self->{v3},
 	 expect=>
 '%Warning-VARHIDDEN: t/t_var_bad_hide2.v:\d+: Declaration of signal hides declaration in upper scope: t