diff --git a/firmware/config/boards/hellen/small-can-board/board.mk b/firmware/config/boards/hellen/small-can-board/board.mk
index 9782063eef..9bf23a4d1d 100644
--- a/firmware/config/boards/hellen/small-can-board/board.mk
+++ b/firmware/config/boards/hellen/small-can-board/board.mk
@@ -9,13 +9,13 @@ DDEFS += -DSHORT_BOARD_NAME=small-can
 #DDEFS += -DPERSISTENT_LOCATION_TODO
 #DDEFS += -DEFI_SENSOR_CHART=FALSE
 # DDEFS += -DLUA_USER_HEAP=50000
-#DDEFS += -DEFI_MC33816=FALSE
+DDEFS += -DEFI_MC33816=FALSE
 #DDEFS += -DDL_OUTPUT_BUFFER=1000
-#DDEFS += -DEFI_LOGIC_ANALYZER=FALSE
-#DDEFS += -DEFI_MALFUNCTION_INDICATOR=FALSE
-#DDEFS += -DEFI_ENGINE_SNIFFER=FALSE
-#DDEFS += -DEFI_TCU=FALSE
-#DDEFS += -DEFI_ENGINE_EMULATOR=FALSE
+DDEFS += -DEFI_LOGIC_ANALYZER=FALSE
+DDEFS += -DEFI_MALFUNCTION_INDICATOR=FALSE
+DDEFS += -DEFI_ENGINE_SNIFFER=FALSE
+DDEFS += -DEFI_TCU=FALSE
+DDEFS += -DEFI_ENGINE_EMULATOR=FALSE
 #DDEFS += -DEFI_SHAFT_POSITION_INPUT=FALSE
 #DDEFS += -DEFI_ALTERNATOR_CONTROL=FALSE
 #DDEFS += -DEFI_VVT_PID=FALSE