diff --git a/scsiapi/scsiapi_macos.c b/scsiapi/scsiapi_macos.c
index 7c250b91..422c2dc5 100644
--- a/scsiapi/scsiapi_macos.c
+++ b/scsiapi/scsiapi_macos.c
@@ -23,17 +23,22 @@
 extern "C" {
 #endif
 
+#define UNUSED(x) (void)(x)
+
 /*---------------------------------------------------------*\
 | Functions                                                 |
 \*---------------------------------------------------------*/
 
-void scsi_close(struct scsi_device * /*dev*/)
+void scsi_close(struct scsi_device * dev)
 {
-
+    UNUSED(dev);
 }
 
-struct scsi_device_info * scsi_enumerate(const char * /*vendor*/, const char * /*product*/)
+struct scsi_device_info * scsi_enumerate(const char * vendor, const char * product)
 {
+    UNUSED(vendor);
+    UNUSED(product);
+
     return(NULL);
 }
 
@@ -54,13 +59,23 @@ void scsi_free_enumeration(struct scsi_device_info * devs)
 	}
 }
 
-struct scsi_device * scsi_open_path(const char * /*path*/)
+struct scsi_device * scsi_open_path(const char * path)
 {
+    UNUSED(path);
+
     return(NULL);
 }
 
-int scsi_write(struct scsi_device * /*dev*/, const unsigned char * /*data*/, size_t /*data_length*/, const unsigned char * /*cdb*/, size_t /*cdb_length*/, unsigned char * /*sense*/, size_t /*sense_length*/)
+int scsi_write(struct scsi_device * dev, const unsigned char * data, size_t data_length, const unsigned char * cdb, size_t cdb_length, unsigned char * sense, size_t sense_length)
 {
+    UNUSED(dev);
+    UNUSED(data);
+    UNUSED(data_length);
+    UNUSED(cdb);
+    UNUSED(cdb_length);
+    UNUSED(sense);
+    UNUSED(sense_length);
+
     return 0;
 }