diff --git a/src/scsi/scsi_ncr53c8xx.c b/src/scsi/scsi_ncr53c8xx.c
index 72786a031..65b680483 100644
--- a/src/scsi/scsi_ncr53c8xx.c
+++ b/src/scsi/scsi_ncr53c8xx.c
@@ -339,16 +339,6 @@ sextract32(uint32_t value, int start, int length)
 }
 
 
-static __inline__ uint32_t
-deposit32(uint32_t value, int start, int length,
-                                 uint32_t fieldval)
-{
-    uint32_t mask;
-    mask = (~0U >> (32 - length)) << start;
-    return (value & ~mask) | ((fieldval << start) & mask);
-}
-
-
 static __inline__ int
 ncr53c8xx_irq_on_rsl(ncr53c8xx_t *dev)
 {