diff --git a/src/main/scala/thylacine/model/components/forwardmodel/ForwardModel.scala b/src/main/scala/thylacine/model/components/forwardmodel/ForwardModel.scala
index b375033..20b0f95 100644
--- a/src/main/scala/thylacine/model/components/forwardmodel/ForwardModel.scala
+++ b/src/main/scala/thylacine/model/components/forwardmodel/ForwardModel.scala
@@ -22,7 +22,7 @@ import thylacine.model.core.values._
 
 import cats.syntax.all._
 
-private[thylacine] trait ForwardModel[F[_]] extends GenericMapping with CanValidate[ForwardModel[F]] {
+trait ForwardModel[F[_]] extends GenericMapping with CanValidate[ForwardModel[F]] {
   this: AsyncImplicits[F] =>
 
   // Note that input validation should be done within
diff --git a/src/main/scala/thylacine/model/components/likelihood/Likelihood.scala b/src/main/scala/thylacine/model/components/likelihood/Likelihood.scala
index fa6825f..8cb2e1f 100644
--- a/src/main/scala/thylacine/model/components/likelihood/Likelihood.scala
+++ b/src/main/scala/thylacine/model/components/likelihood/Likelihood.scala
@@ -28,7 +28,7 @@ import thylacine.model.distributions.Distribution
 import cats.effect.kernel.Async
 import cats.syntax.all._
 
-private[thylacine] trait Likelihood[F[_], +FM <: ForwardModel[F], +D <: Distribution]
+trait Likelihood[F[_], +FM <: ForwardModel[F], +D <: Distribution]
     extends ModelParameterPdf[F]
     with PosteriorTerm
     with CanValidate[Likelihood[F, _, _]] {