diff --git a/arch/arm/src/s32k1xx/s32k1xx_flexcan.c b/arch/arm/src/s32k1xx/s32k1xx_flexcan.c
index 7e5bceae8d..7bc9a7c59c 100644
--- a/arch/arm/src/s32k1xx/s32k1xx_flexcan.c
+++ b/arch/arm/src/s32k1xx/s32k1xx_flexcan.c
@@ -90,7 +90,11 @@
 
 #define POOL_SIZE                   1
 
+#if defined(CONFIG_NET_CAN_RAW_TX_DEADLINE) || defined(CONFIG_NET_TIMESTAMP)
 #define MSG_DATA                    sizeof(struct timeval)
+#else
+#define MSG_DATA                    0
+#endif
 
 /* CAN bit timing values  */
 #define CLK_FREQ                    80000000