diff --git a/lib/Math/Function/Interpolator.pm b/lib/Math/Function/Interpolator.pm
index 9bb9ccf..d0c9a63 100644
--- a/lib/Math/Function/Interpolator.pm
+++ b/lib/Math/Function/Interpolator.pm
@@ -2,7 +2,7 @@ package Math::Function::Interpolator;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 use Carp qw(confess);
 use Scalar::Util qw(looks_like_number);
diff --git a/lib/Math/Function/Interpolator/Cubic.pm b/lib/Math/Function/Interpolator/Cubic.pm
index 825d227..c778ae4 100644
--- a/lib/Math/Function/Interpolator/Cubic.pm
+++ b/lib/Math/Function/Interpolator/Cubic.pm
@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Cubic;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 ## VERSION
 
diff --git a/lib/Math/Function/Interpolator/Linear.pm b/lib/Math/Function/Interpolator/Linear.pm
index ba79b36..cdafbc3 100644
--- a/lib/Math/Function/Interpolator/Linear.pm
+++ b/lib/Math/Function/Interpolator/Linear.pm
@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Linear;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 our @ISA = qw(Math::Function::Interpolator);
 
diff --git a/lib/Math/Function/Interpolator/Quadratic.pm b/lib/Math/Function/Interpolator/Quadratic.pm
index 7212fd5..40b3a19 100644
--- a/lib/Math/Function/Interpolator/Quadratic.pm
+++ b/lib/Math/Function/Interpolator/Quadratic.pm
@@ -2,7 +2,7 @@ package Math::Function::Interpolator::Quadratic;
 
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 
 ## VERSION
 
diff --git a/t/boilerplate.t b/t/boilerplate.t
index a7f8d9d..2d7949b 100644
--- a/t/boilerplate.t
+++ b/t/boilerplate.t
@@ -1,7 +1,7 @@
 #!perl -T
 use 5.006;
 use strict;
-use warnings FATAL => 'all';
+use warnings;
 use Test::More;
 
 plan tests => 3;