diff --git a/t/Auth_with_shibboleth.t b/t/Auth_with_shibboleth.t
index 3b357093ba..ab03248d0f 100644
--- a/t/Auth_with_shibboleth.t
+++ b/t/Auth_with_shibboleth.t
@@ -34,7 +34,7 @@ BEGIN {
     }
 }
 
-use Test::DBIx::Class { schema_class => 'Koha::Schema', connect_info => ['dbi:SQLite:dbname=:memory:','',''] };
+use Test::DBIx::Class;
 
 # Mock Variables
 my $matchpoint = 'userid';
diff --git a/t/Biblio.t b/t/Biblio.t
index 1cec33be51..1bf7895d00 100755
--- a/t/Biblio.t
+++ b/t/Biblio.t
@@ -33,12 +33,8 @@ BEGIN {
 
 use_ok('C4::Biblio');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Biblio' ;
+#use Test::DBIx::Class {}, 'Biblio';
+use Test::DBIx::Class; #No difference between these two invocations in time taken to execute tests.
 
 sub fixtures {
     my ( $data ) = @_;
diff --git a/t/Calendar.t b/t/Calendar.t
index 3082271b06..076eb8d71a 100755
--- a/t/Calendar.t
+++ b/t/Calendar.t
@@ -37,12 +37,7 @@ BEGIN {
 
 use_ok('Koha::Calendar');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Biblio' ;
+use Test::DBIx::Class;
 
 sub fixtures {
     my ( $data ) = @_;
diff --git a/t/Images.t b/t/Images.t
index 0ee5ce683e..02bcd82a45 100644
--- a/t/Images.t
+++ b/t/Images.t
@@ -32,12 +32,7 @@ BEGIN {
 
 use_ok('C4::Images');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Biblioimage' ;
+use Test::DBIx::Class;
 
 # Make the code in the module use our mocked Koha::Schema/Koha::Database
 my $db = Test::MockModule->new('Koha::Database');
diff --git a/t/Koha.t b/t/Koha.t
index e617146f93..2e11ab7b48 100755
--- a/t/Koha.t
+++ b/t/Koha.t
@@ -33,12 +33,7 @@ BEGIN {
 
 use_ok('C4::Koha');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Branch' ;
+use Test::DBIx::Class;
 
 sub fixtures {
     my ( $libraries ) = @_;
diff --git a/t/Letters.t b/t/Letters.t
index 76c5a875a0..fb1158bf52 100755
--- a/t/Letters.t
+++ b/t/Letters.t
@@ -30,12 +30,7 @@ BEGIN {
     }
 }
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Letter' ;
+use Test::DBIx::Class;
 use t::lib::Mocks;
 
 fixtures_ok [
diff --git a/t/Matcher.t b/t/Matcher.t
index 3d7f6e9c9b..30d1b90fd0 100755
--- a/t/Matcher.t
+++ b/t/Matcher.t
@@ -35,12 +35,7 @@ BEGIN {
 
 use_ok('C4::Matcher');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'MarcMatcher' ;
+use Test::DBIx::Class;
 
 fixtures_ok [
     MarcMatcher => [
diff --git a/t/Members_AttributeTypes.t b/t/Members_AttributeTypes.t
index 4721fad276..42b04d57d4 100755
--- a/t/Members_AttributeTypes.t
+++ b/t/Members_AttributeTypes.t
@@ -32,12 +32,7 @@ BEGIN {
 
 use_ok('C4::Members::AttributeTypes');
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'BorrowerAttributeType', 'Category' ;
+use Test::DBIx::Class;
 
 fixtures_ok [
     Category => [
diff --git a/t/NorwegianPatronDB.t b/t/NorwegianPatronDB.t
index 1f0808caa2..ec630203d6 100644
--- a/t/NorwegianPatronDB.t
+++ b/t/NorwegianPatronDB.t
@@ -60,12 +60,7 @@ BEGIN {
     }
 }
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Borrower', 'BorrowerSync';
+use Test::DBIx::Class {}, 'Borrower', 'BorrowerSync'; #Also loads those modules.
 
 # Make the code in the module use our mocked Koha::Schema/Koha::Database
 my $db = Test::MockModule->new('Koha::Database');
diff --git a/t/Prices.t b/t/Prices.t
index f89c7f6dae..c65f2033a8 100644
--- a/t/Prices.t
+++ b/t/Prices.t
@@ -20,12 +20,7 @@ use_ok('Koha::Number::Price');
 
 t::lib::Mocks::mock_preference( 'gist', '0.02|0.05|0.196' );
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Currency' ;
+use Test::DBIx::Class;
 
 my $db = Test::MockModule->new('Koha::Database');
 $db->mock( _new_schema => sub { return Schema(); } );
diff --git a/t/SocialData.t b/t/SocialData.t
index 8b6a93b268..eec1e5cf07 100644
--- a/t/SocialData.t
+++ b/t/SocialData.t
@@ -34,12 +34,7 @@ BEGIN {
     use_ok('C4::SocialData');
 }
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'SocialData', 'Biblioitem' ;
+use Test::DBIx::Class;
 
 fixtures_ok [
     Biblioitem => [
diff --git a/t/XSLT.t b/t/XSLT.t
index 71363755f5..aefa4df531 100755
--- a/t/XSLT.t
+++ b/t/XSLT.t
@@ -27,7 +27,7 @@ use Module::Load::Conditional qw/check_install/;
 
 BEGIN {
     if ( check_install( module => 'Test::DBIx::Class' ) ) {
-        plan tests => 10;
+        plan tests => 9;
     } else {
         plan skip_all => "Need Test::DBIx::Class"
     }
@@ -35,18 +35,7 @@ BEGIN {
     use_ok('C4::XSLT');
 };
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Branch' ;
-
-fixtures_ok [
-    Branch => [
-    ],
-];
-
+use Test::DBIx::Class;
 
 my $dir = File::Temp->newdir();
 my @themes = ('prog', 'test');
diff --git a/t/db_dependent/Sitemapper.t b/t/db_dependent/Sitemapper.t
index 848fc3b3fa..4276470728 100755
--- a/t/db_dependent/Sitemapper.t
+++ b/t/db_dependent/Sitemapper.t
@@ -40,12 +40,7 @@ sub slurp {
     return $cont;
 }
 
-use Test::DBIx::Class {
-    schema_class => 'Koha::Schema',
-    connect_info => ['dbi:SQLite:dbname=:memory:','',''],
-    connect_opts => { name_sep => '.', quote_char => '`', },
-    fixture_class => '::Populate',
-}, 'Biblio' ;
+use Test::DBIx::Class;
 
 sub fixtures {
     my ( $data ) = @_;