diff --git a/display.c b/display.c
index e62d07f..a45fc3e 100644
--- a/display.c
+++ b/display.c
@@ -1368,15 +1368,14 @@ cursorRight(Buffer *buf, int n)
 {
     int i, delta = 1, cpos, vpos2;
     Line *l = buf->currentLine;
-    Lineprop *p;
 
     if (buf->firstLine == NULL)
 	return;
     if (buf->pos == l->len && !(l->next && l->next->bpos))
 	return;
     i = buf->pos;
-    p = l->propBuf;
 #ifdef USE_M17N
+    Lineprop *p = l->propBuf;
     while (i + delta < l->len && p[i + delta] & PC_WCHAR2)
 	delta++;
 #endif
@@ -1419,13 +1418,12 @@ cursorLeft(Buffer *buf, int n)
 {
     int i, delta = 1, cpos;
     Line *l = buf->currentLine;
-    Lineprop *p;
 
     if (buf->firstLine == NULL)
 	return;
     i = buf->pos;
-    p = l->propBuf;
 #ifdef USE_M17N
+    Lineprop *p = l->propBuf;
     while (i - delta > 0 && p[i - delta] & PC_WCHAR2)
 	delta++;
 #endif
diff --git a/etc.c b/etc.c
index aeb65ec..0df0888 100644
--- a/etc.c
+++ b/etc.c
@@ -253,8 +253,10 @@ checkType(Str s, Lineprop **oprop, Linecolor **ocolor)
     char *es = NULL;
 #endif
     int do_copy = FALSE;
+#ifdef USE_M17N
     int i;
     int plen = 0, clen;
+#endif
 
     if (prop_size < s->length) {
 	prop_size = (s->length > LINELEN) ? s->length : LINELEN;
@@ -429,7 +431,6 @@ checkType(Str s, Lineprop **oprop, Linecolor **ocolor)
 	}
 #endif
 
-	plen = get_mclen(str);
 	mode = get_mctype(str) | effect;
 #ifdef USE_ANSI_COLOR
 	if (color) {
@@ -439,6 +440,7 @@ checkType(Str s, Lineprop **oprop, Linecolor **ocolor)
 #endif
 	*(prop++) = mode;
 #ifdef USE_M17N
+	plen = get_mclen(str);
 	if (plen > 1) {
 	    mode = (mode & ~PC_WCHAR1) | PC_WCHAR2;
 	    for (i = 1; i < plen; i++) {
diff --git a/file.c b/file.c
index aeb3bf4..04c2872 100644
--- a/file.c
+++ b/file.c
@@ -8164,7 +8164,6 @@ int
 save2tmp(URLFile uf, char *tmpf)
 {
     FILE *ff;
-    int check;
     clen_t linelen = 0, trbyte = 0;
     MySignalHandler(*volatile prevtrap) (SIGNAL_ARG) = NULL;
     static JMP_BUF env_bak;
@@ -8181,8 +8180,8 @@ save2tmp(URLFile uf, char *tmpf)
 	goto _end;
     }
     TRAP_ON;
-    check = 0;
 #ifdef USE_NNTP
+    int check = 0;
     if (uf.scheme == SCM_NEWS) {
 	char c;
 	while (c = UFgetc(&uf), !iseos(uf.stream)) {
diff --git a/linein.c b/linein.c
index 22b4ac8..b58cad6 100644
--- a/linein.c
+++ b/linein.c
@@ -77,8 +77,6 @@ static Str strCurrentBuf;
 static int use_hist;
 #ifdef USE_M17N
 static void ins_char(Str str);
-#else
-static void ins_char(char c);
 #endif
 
 char *
diff --git a/table.c b/table.c
index a8e6598..0a43156 100644
--- a/table.c
+++ b/table.c
@@ -419,7 +419,7 @@ suspend_or_pushdata(struct table *tbl, char *line)
 #ifdef USE_M17N
 #define PUSH_TAG(str,n) Strcat_charp_n(tagbuf, str, n)
 #else
-#define PUSH_TAG(str,n) Strcat_char(tagbuf, *str)
+#define PUSH_TAG(str,n) Strcat_char(tagbuf, *str), (void)n
 #endif
 
 int visible_length_offset = 0;