delete unused codes

Suppress compiler warnings.

3 files changed, 1 insertions, 8 deletions

diff --git a/process.c b/process.c
index 69d362b4d3..a7fa220ebf 100644
--- a/process.c
+++ b/process.c
@@ -2338,7 +2338,6 @@ rb_check_argv(int argc, VALUE *argv)
 {
     VALUE tmp, prog;
     int i;
-    const char *name = 0;
 
     rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
 
@@ -2353,7 +2352,6 @@ rb_check_argv(int argc, VALUE *argv)
 	SafeStringValue(prog);
 	StringValueCStr(prog);
 	prog = rb_str_new_frozen(prog);
-	name = RSTRING_PTR(prog);
     }
     for (i = 0; i < argc; i++) {
 	SafeStringValue(argv[i]);
diff --git a/ruby.c b/ruby.c
index 1f0bf8811b..6edc5c474d 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1217,12 +1217,9 @@ proc_options(long argc, char **argv, ruby_cmdline_options_t *opt, int envopt)
 	  case 'T':
             {
                 size_t numlen;
-                int v = 1;
 
                 if (*++s) {
-                    v = scan_oct(s, 2, &numlen);
-                    if (numlen == 0)
-                        v = 1;
+                    scan_oct(s, 2, &numlen);
                     s += numlen;
                 }
             }
diff --git a/string.c b/string.c
index 00da7e2c87..e58be68621 100644
--- a/string.c
+++ b/string.c
@@ -4937,10 +4937,8 @@ rb_pat_search(VALUE pat, VALUE str, long pos, int set_backref_str)
 	pos = rb_strseq_index(str, pat, pos, 1);
 	if (set_backref_str) {
 	    if (pos >= 0) {
-		VALUE match;
 		str = rb_str_new_frozen(str);
 		rb_backref_set_string(str, pos, RSTRING_LEN(pat));
-		match = rb_backref_get();
 	    }
 	    else {
 		rb_backref_set(Qnil);