diff --git a/src/southbridge/amd/agesa/hudson/Kconfig b/src/southbridge/amd/agesa/hudson/Kconfig
index a0c68a323d..9652a8dcf8 100644
--- a/src/southbridge/amd/agesa/hudson/Kconfig
+++ b/src/southbridge/amd/agesa/hudson/Kconfig
@@ -224,11 +224,6 @@ config HUDSON_LEGACY_FREE
 endif # SOUTHBRIDGE_AMD_AGESA_HUDSON || SOUTHBRIDGE_AMD_AGESA_YANGTZE
 
 if SOUTHBRIDGE_AMD_AGESA_YANGTZE
-	config AMD_SB_SPI_TX_LEN
-		int
-		default 64
-		depends on SPI_FLASH
-
 	config AZ_PIN
 		hex
 		default 0xaa
diff --git a/src/southbridge/amd/agesa/hudson/spi.c b/src/southbridge/amd/agesa/hudson/spi.c
index 2aeb2c04c0..bbf6dd3ee2 100644
--- a/src/southbridge/amd/agesa/hudson/spi.c
+++ b/src/southbridge/amd/agesa/hudson/spi.c
@@ -43,7 +43,11 @@ static int bus_claimed = 0;
 #define SPI_REG_CNTRL11		0xd
  #define CNTRL11_FIFOPTR_MASK	0x07
 
+#if IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_AGESA_YANGTZE)
 #define AMD_SB_SPI_TX_LEN	64
+#else
+#define AMD_SB_SPI_TX_LEN	8
+#endif
 
 static u32 spibar;