diff --git a/modules/Bio/EnsEMBL/RegulatoryFeature.pm b/modules/Bio/EnsEMBL/RegulatoryFeature.pm
index 13e3d3e6169b2106a5c57ba4080f26c98bc9cec8..e43431a9dc36ce328232d282c9d9348f7cec2e51 100644
--- a/modules/Bio/EnsEMBL/RegulatoryFeature.pm
+++ b/modules/Bio/EnsEMBL/RegulatoryFeature.pm
@@ -47,6 +47,7 @@ use vars qw(@ISA);
 
 use Bio::EnsEMBL::Feature;
 use Bio::EnsEMBL::Utils::Argument qw(rearrange);
+use Bio::EnsEMBL::Utils::Exception qw(throw warning deprecate);
 
 @ISA = qw(Bio::EnsEMBL::Feature);