diff --git a/Makefile b/Makefile
index a34fd4d..12d4d8a 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,7 @@ install-dev:
 	python -m pip install -e sdk/batch[dev]
 	python -m pip install -e sdk/flow[dev]
 	python -m pip install -e sdk/tts[dev]
-	python -m pip install -e sdk/voice[dev,smart]
+	python -m pip install -e sdk/voice[dev]
 
 install-build:
 	python -m pip install --upgrade build