diff --git a/Ibm1130/ibm1130_cpu.c b/Ibm1130/ibm1130_cpu.c
index 21a7ff6f2..aba74fb6a 100644
--- a/Ibm1130/ibm1130_cpu.c
+++ b/Ibm1130/ibm1130_cpu.c
@@ -246,8 +246,6 @@ extern UNIT cr_unit, prt_unit[];
 #  define ARFSET(v)                         /* without GUI, no need for setting ARF */
 #endif
 
-static void   init_console_window (void);
-static void   destroy_console_window (void);
 static t_stat view_cmd (int32 flag, CONST char *cptr);
 static t_stat cpu_attach (UNIT *uptr, CONST char *cptr);
 static t_bool bsctest (int32 DSPLC, t_bool reset_V);
diff --git a/Ibm1130/ibm1130_cr.c b/Ibm1130/ibm1130_cr.c
index f1a188acb..e93a47a32 100644
--- a/Ibm1130/ibm1130_cr.c
+++ b/Ibm1130/ibm1130_cr.c
@@ -728,7 +728,7 @@ extern int cgi;
 static int16 ascii_to_card[256];
 
 static CPCODE *cardcode;
-static int ncardcode;
+static size_t ncardcode;
 static FILE *deckfile = NULL;
 static char tempfile[128];
 static int any_punched = 0;
@@ -760,7 +760,7 @@ t_bool program_is_loaded = FALSE;
 
 /* lookup_codetable - use code flag setting to get code table pointer and length */
 
-static t_bool lookup_codetable (int32 match, CPCODE **pcode, int *pncode)
+static t_bool lookup_codetable (int32 match, CPCODE **pcode, size_t *pncode)
 {
     switch (match) {
         case CODE_029:
@@ -793,7 +793,7 @@ static t_bool lookup_codetable (int32 match, CPCODE **pcode, int *pncode)
 t_stat set_active_cr_code (int match)
 {
     CPCODE *code;
-    int i, ncode;
+    size_t ncode;
 
     SET_ACTCODE(cr_unit, match);
 
@@ -801,6 +801,8 @@ t_stat set_active_cr_code (int match)
         return SCPE_ARG;
 
     if (code != NULL) {                 /* if an ASCII mode was selected */
+        size_t i;
+
         memset(ascii_to_card, 0, sizeof(ascii_to_card));
 
         for (i = 0; i < ncode; i++)     /* set ascii to card code table */
@@ -881,7 +883,7 @@ static int32 guess_cr_code (void)
 static t_stat cp_set_code (UNIT *uptr, int32 match, CONST char *cptr, void *desc)
 {
     CPCODE *code;
-    int ncode;
+    size_t ncode;
 
     if (! lookup_codetable(match, &code, &ncode))
         return SCPE_ARG;
@@ -1020,7 +1022,7 @@ t_stat cr_boot (int32 unitno, DEVICE *dptr)
 
 char card_to_ascii (uint16 hol)
 {
-    int i;
+    size_t i;
 
     for (i = 0; i < ncardcode; i++)
         if (cardcode[i].hollerith == hol)
@@ -1033,7 +1035,7 @@ char card_to_ascii (uint16 hol)
 
 char hollerith_to_ascii (uint16 hol)
 {
-    int i;
+    size_t i;
 
     for (i = 0; i < ncardcode; i++)
         if (cardcode_029[i].hollerith == hol)
@@ -1222,6 +1224,9 @@ static char * skipbl (char *str)
     return str;
 }
 
+#if THIS_IS_EVER_NEEDED
+/* This function is never called. Leaving it in if the IBM-1130 author
+ * deems it significant. */
 static char * trim (char *str)
 {
     char *s, *lastnb;
@@ -1234,6 +1239,7 @@ static char * trim (char *str)
 
     return str;
 }
+#endif
 
 /* alltrim - remove all leading and trailing whitespace from a string */
 
@@ -2382,7 +2388,7 @@ static DWORD CALLBACK pcr_thread (LPVOID arg)
                 if (! GetOverlappedResult(hpcr, &ovRd, &nrcvd, TRUE))
                     report_error("PCR_Read", GetLastError());
                 else if (cr_unit.flags & UNIT_DEBUG)
-                    printf("PCR_Read: event, %d rcvd\n", nrcvd);
+                    printf("PCR_Read: event, %ld rcvd\n", nrcvd);
                 break;
 
             case WAIT_OBJECT_0+1:                       /* write complete */
@@ -2391,7 +2397,7 @@ static DWORD CALLBACK pcr_thread (LPVOID arg)
                 if (! GetOverlappedResult(hpcr, &ovWr, &nwritten, TRUE))
                     report_error("PCR_Write", GetLastError());
                 else if (cr_unit.flags & UNIT_DEBUG)
-                    printf("PCR_Write: event, %d sent\n", nwritten);
+                    printf("PCR_Write: event, %ld sent\n", nwritten);
                 continue;
 
             case WAIT_OBJECT_0+2:                       /* reset request from simulator */
diff --git a/Ibm1130/ibm1130_gui.c b/Ibm1130/ibm1130_gui.c
index 1e9b1fc40..fa884372c 100644
--- a/Ibm1130/ibm1130_gui.c
+++ b/Ibm1130/ibm1130_gui.c
@@ -110,8 +110,6 @@ extern t_bool program_is_loaded;
     void disk_ready (int ready)               {}
     void disk_unlocked (int unlocked)         {}
     void gui_run (int running)                {} 
-    static void init_console_window (void)    {}
-    static void destroy_console_window (void) {}
 
     t_stat console_reset (DEVICE *dptr)                         {return SCPE_OK;}
     long   stuff_cmd (char *cmd)                                {return 0;}