diff --git a/t/13_create_collation.t b/t/13_create_collation.t
index 28f25fd..d674aed 100644
--- a/t/13_create_collation.t
+++ b/t/13_create_collation.t
@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+no warnings 'locale';
 use lib "t/lib";
 use SQLiteTest;
 use Test::More;
diff --git a/t/37_regexp.t b/t/37_regexp.t
index aa667ed..edfcb7c 100644
--- a/t/37_regexp.t
+++ b/t/37_regexp.t
@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+no warnings 'locale';
 use lib "t/lib";
 use SQLiteTest;
 use Test::More;
diff --git a/t/43_fts3.t b/t/43_fts3.t
index ccf6ad1..850708b 100644
--- a/t/43_fts3.t
+++ b/t/43_fts3.t
@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+no warnings 'locale';
 use lib "t/lib";
 use SQLiteTest;
 use Test::More;
diff --git a/t/rt_73159_fts_tokenizer_segfault.t b/t/rt_73159_fts_tokenizer_segfault.t
index 738f0a8..7aea26d 100644
--- a/t/rt_73159_fts_tokenizer_segfault.t
+++ b/t/rt_73159_fts_tokenizer_segfault.t
@@ -1,5 +1,6 @@
 use strict;
 use warnings;
+no warnings 'locale';
 use lib "t/lib";
 use SQLiteTest;
 use Test::More;