diff --git a/tts_service/src/inference/inference.rs b/tts_service/src/inference/inference.rs
index 6c019917b1..40066fcbdb 100644
--- a/tts_service/src/inference/inference.rs
+++ b/tts_service/src/inference/inference.rs
@@ -8,7 +8,7 @@ pub trait InferencePipelineStart {
   type TtsModel;
   type VocoderModel;
 
-  fn clean_text(self, text: &str)
+  fn clean_text(self: Box<Self>, text: &str)
     -> AnyhowResult<Box<dyn InferencePipelineTextCleaningDone<TtsModel = Self::TtsModel, VocoderModel = Self::VocoderModel>>>;
 }
 
@@ -17,7 +17,7 @@ pub trait InferencePipelineTextCleaningDone {
   type TtsModel;
   type VocoderModel;
 
-  fn infer_mel(self, speaker_id: i64)
+  fn infer_mel(self: Box<Self>, speaker_id: i64)
     -> AnyhowResult<Box<dyn InferencePipelineMelDone<TtsModel = Self::TtsModel, VocoderModel = Self::VocoderModel>>>;
 }
 
diff --git a/tts_service/src/inference/pipelines/glowtts_melgan.rs b/tts_service/src/inference/pipelines/glowtts_melgan.rs
index deb76c763a..1be05c1266 100644
--- a/tts_service/src/inference/pipelines/glowtts_melgan.rs
+++ b/tts_service/src/inference/pipelines/glowtts_melgan.rs
@@ -54,7 +54,7 @@ impl InferencePipelineStart for GlowTtsMelganPipeline {
   type TtsModel = Arc<dyn TtsModelT>;
   type VocoderModel = Arc<dyn VocoderModelT>;
 
-  fn clean_text(self, text: &str)
+  fn clean_text(self: Box<Self>, text: &str)
     -> AnyhowResult<Box<dyn InferencePipelineTextCleaningDone<TtsModel=Self::TtsModel, VocoderModel=Self::VocoderModel>>>
   {
     let cleaned_text = clean_text(text);
@@ -71,7 +71,7 @@ impl InferencePipelineTextCleaningDone for GlowTtsMelganPipelineTextCleaningDone
   type TtsModel = Arc<dyn TtsModelT>;
   type VocoderModel = Arc<dyn VocoderModelT>;
 
-  fn infer_mel(self, _speaker_id: i64)
+  fn infer_mel(self: Box<Self>, _speaker_id: i64)
     -> AnyhowResult<Box<dyn InferencePipelineMelDone<TtsModel = Self::TtsModel, VocoderModel = Self::VocoderModel>>>
   {
     // TODO: Creating arpabet instances every time is inefficient (even if lazy_static! under the hood).
diff --git a/tts_service/src/inference/pipelines/glowtts_multispeaker_melgan.rs b/tts_service/src/inference/pipelines/glowtts_multispeaker_melgan.rs
index 54c8e6bb59..99c1117599 100644
--- a/tts_service/src/inference/pipelines/glowtts_multispeaker_melgan.rs
+++ b/tts_service/src/inference/pipelines/glowtts_multispeaker_melgan.rs
@@ -56,7 +56,7 @@ impl  InferencePipelineStart for GlowTtsMultiSpeakerMelganPipeline {
   type TtsModel = Arc<dyn TtsModelT>;
   type VocoderModel = Arc<dyn VocoderModelT>;
 
-  fn clean_text(self, text: &str)
+  fn clean_text(self: Box<Self>, text: &str)
     -> AnyhowResult<Box<dyn InferencePipelineTextCleaningDone<TtsModel=Self::TtsModel, VocoderModel=Self::VocoderModel>>>
   {
     let cleaned_text = clean_text(text);
@@ -73,7 +73,7 @@ impl  InferencePipelineTextCleaningDone for GlowTtsMultiSpeakerMelganPipelineTex
   type TtsModel = Arc<dyn TtsModelT>;
   type VocoderModel = Arc<dyn VocoderModelT>;
 
-  fn infer_mel(self, speaker_id: i64)
+  fn infer_mel(self: Box<Self>, speaker_id: i64)
     -> AnyhowResult<Box<dyn InferencePipelineMelDone<TtsModel = Self::TtsModel, VocoderModel = Self::VocoderModel>>>
   {
     // TODO: Creating arpabet instances every time is inefficient (even if lazy_static! under the hood).