diff --git a/Ibm1130/ibm1130_cr.c b/Ibm1130/ibm1130_cr.c
index d436625a..0985a954 100644
--- a/Ibm1130/ibm1130_cr.c
+++ b/Ibm1130/ibm1130_cr.c
@@ -2623,7 +2623,8 @@ static t_stat pcr_svc (UNIT *uptr)
 			break;
 
 		case OP_READING:
-			if (pcr_nready >= 2) {							/* if there is a whole column buffered, simulate column interrupt/* pcr_trigger_interrupt_0 - simulate a read response interrupt so OS will read queued column data */
+			if (pcr_nready >= 2) {							/* if there is a whole column buffered, simulate column interrupt*/
+															/* pcr_trigger_interrupt_0 - simulate a read response interrupt so OS will read queued column data */
 
 				pcr_trigger_interrupt_0();
 				sim_activate(&cr_unit, cr_wait);			/* keep checking frequently */
diff --git a/Ibm1130/ibm1130_disk.c b/Ibm1130/ibm1130_disk.c
index c6f3ebeb..da76517e 100644
--- a/Ibm1130/ibm1130_disk.c
+++ b/Ibm1130/ibm1130_disk.c
@@ -384,7 +384,7 @@ static void diskfail (UNIT *uptr, int dswflag, int unitflag, t_bool do_interrupt
 		sim_activate(uptr, 1);			/* schedule an immediate op complete interrupt */
 }
 
-t_stat dsk_svc (UNIT *uptr)
+static t_stat dsk_svc (UNIT *uptr)
 {
 	int drv = uptr - dsk_unit, i, nwords, sec;
 	int16 buf[DSK_NUMWD];
@@ -465,7 +465,7 @@ t_stat dsk_svc (UNIT *uptr)
 	return SCPE_OK;
 }
 
-t_stat dsk_reset (DEVICE *dptr)
+static t_stat dsk_reset (DEVICE *dptr)
 {
 	int drv;
 	UNIT *uptr;
diff --git a/Ibm1130/ibm1130_stddev.c b/Ibm1130/ibm1130_stddev.c
index 8e4f38bb..2a350741 100644
--- a/Ibm1130/ibm1130_stddev.c
+++ b/Ibm1130/ibm1130_stddev.c
@@ -298,7 +298,7 @@ void xio_1131_console (int32 iocc_addr, int32 func, int32 modify)
 
 /* emit_conout_character - write character with 1130 console code 'ch' */
 
-t_stat emit_conout_character (int ch)
+static t_stat emit_conout_character (int ch)
 {
 	t_stat status;