diff --git a/test/reference/ddr4_init.h b/test/reference/ddr4_init.h
index b13055d..ca4fe21 100644
--- a/test/reference/ddr4_init.h
+++ b/test/reference/ddr4_init.h
@@ -25,7 +25,6 @@
 #define SDRAM_PHY_RDPHASE 3
 #define SDRAM_PHY_WRPHASE 3
 #define SDRAM_PHY_WRITE_LEVELING_CAPABLE
-#define SDRAM_PHY_WRITE_DQ_DQS_TRAINING_CAPABLE
 #define SDRAM_PHY_WRITE_LATENCY_CALIBRATION_CAPABLE
 #define SDRAM_PHY_READ_LEVELING_CAPABLE
 #define SDRAM_PHY_MODULES SDRAM_PHY_DATABITS/8