diff --git a/src/main/target/STM32F3DISCOVERY/target.h b/src/main/target/STM32F3DISCOVERY/target.h
index f0f38601e..37fa73fb0 100644
--- a/src/main/target/STM32F3DISCOVERY/target.h
+++ b/src/main/target/STM32F3DISCOVERY/target.h
@@ -43,9 +43,9 @@
 //#undef USE_ITERM_RELAX
 //#undef USE_RC_SMOOTHING_FILTER
 
-//#undef USE_HUFFMAN
-//#undef USE_PINIO
-//#undef USE_PINIOBOX
+#undef USE_HUFFMAN
+#undef USE_PINIO
+#undef USE_PINIOBOX
 
 #undef USE_TELEMETRY_HOTT
 #undef USE_TELEMETRY_MAVLINK