diff --git a/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c b/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
index d27588dce60e..0140afcc4a97 100644
--- a/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
+++ b/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
@@ -718,7 +718,9 @@ bcm_sdhci_start_dma(struct sdhci_slot *slot)
 static int
 bcm_sdhci_will_handle_transfer(device_t dev, struct sdhci_slot *slot)
 {
+#ifdef INVARIANTS
 	struct bcm_sdhci_softc *sc = device_get_softc(slot->bus);
+#endif
 
 	/*
 	 * This indicates that we somehow let a data interrupt slip by into the