diff --git a/src/peripherals/BASpiMemory.cpp b/src/peripherals/BASpiMemory.cpp
index 3c0403d..05d006d 100644
--- a/src/peripherals/BASpiMemory.cpp
+++ b/src/peripherals/BASpiMemory.cpp
@@ -273,7 +273,7 @@ BASpiMemoryDMA::BASpiMemoryDMA(SpiDeviceId memDeviceId)
 		cs = SPI_CS_MEM0;
 		m_cs = new ActiveLowChipSelect(cs, m_settings);
 		break;
-#if defined(__MK64FX512__) || defined(__MK66FX1M0__)
+#if defined(__MK66FX1M0__)
 	case SpiDeviceId::SPI_DEVICE1 :
 		cs = SPI_CS_MEM1;
 		m_cs = new ActiveLowChipSelect1(cs, m_settings);
@@ -299,7 +299,7 @@ BASpiMemoryDMA::BASpiMemoryDMA(SpiDeviceId memDeviceId, uint32_t speedHz)
 		cs = SPI_CS_MEM0;
 		m_cs = new ActiveLowChipSelect(cs, m_settings);
 		break;
-#if defined(__MK64FX512__) || defined(__MK66FX1M0__)
+#if defined(__MK66FX1M0__)
 	case SpiDeviceId::SPI_DEVICE1 :
 		cs = SPI_CS_MEM1;
 		m_cs = new ActiveLowChipSelect1(cs, m_settings);
@@ -346,7 +346,7 @@ void BASpiMemoryDMA::begin(void)
 		m_spiDma = new DmaSpiGeneric();
 		break;
 
-#if defined(__MK64FX512__) || defined(__MK66FX1M0__)
+#if defined(__MK66FX1M0__) // DMA on SPI1 is only supported on T3.6
 	case SpiDeviceId::SPI_DEVICE1 :
 		m_csPin = SPI_CS_MEM1;
 		m_spi = &SPI1;