4 files changed, 5 insertions, 15 deletions
diff --git a/ext/dl/dl.c b/ext/dl/dl.c
index c1e5311c0a..0d806a7de7 100644
--- a/ext/dl/dl.c
+++ b/ext/dl/dl.c
@@ -554,8 +554,6 @@ rb_dl_malloc(VALUE self, VALUE size)
 VALUE
 rb_dl_strdup(VALUE self, VALUE str)
 {
-  void *p;
-
   str = rb_String(str);
   return rb_dlptr_new(strdup(RSTRING(str)->ptr), RSTRING(str)->len, dlfree);
 }
diff --git a/ext/dl/handle.c b/ext/dl/handle.c
index 689ce4e3a5..23ad5ef066 100644
--- a/ext/dl/handle.c
+++ b/ext/dl/handle.c
@@ -133,9 +133,6 @@ rb_dlhandle_sym(int argc, VALUE argv[], VALUE self)
   VALUE sym, type;
   void (*func)();
   VALUE val;
-  struct sym_data *data;
-  int *ctypes;
-  int i, ctypes_len;
   struct dl_handle *dlhandle;
   void *handle;
   const char *name, *stype;
diff --git a/ext/dl/ptr.c b/ext/dl/ptr.c
index 8c2799a2b2..60f4ad00ed 100644
--- a/ext/dl/ptr.c
+++ b/ext/dl/ptr.c
@@ -178,7 +178,7 @@ rb_dlptr_s_allocate(VALUE klass)
 static VALUE
 rb_dlptr_initialize(int argc, VALUE argv[], VALUE self)
 {
-  VALUE ptr, sym, obj, size;
+  VALUE ptr, sym, size;
   struct ptr_data *data;
   void *p = NULL;
   freefunc_t f = NULL;
@@ -279,7 +279,6 @@ VALUE
 rb_dlptr_free_set(VALUE self, VALUE val)
 {
   struct ptr_data *data;
-  int i;
 
   Data_Get_Struct(self, struct ptr_data, data);
 
@@ -463,10 +462,9 @@ rb_dlptr_inspect(VALUE self)
 {
   struct ptr_data *data;
   char str[1024];
-  VALUE name;
 
   Data_Get_Struct(self, struct ptr_data, data);
-  snprintf(str, 1023, "#<%s:0x%x ptr=0x%x size=%ld free=0x%x>",
+  snprintf(str, 1023, "#<%s:0x%p ptr=0x%p size=%ld free=0x%p>",
 	   rb_class2name(CLASS_OF(self)), data, data->ptr, data->size, data->free);
   return rb_str_new2(str);
 }
@@ -519,9 +517,8 @@ rb_dlptr_define_data_type(int argc, VALUE argv[], VALUE self)
 {
   VALUE data_type, type, rest, vid;
   struct ptr_data *data;
-  int i, t, len, num;
+  int i, t, num;
   char *ctype;
-  long size;
 
   rb_scan_args(argc, argv, "11*", &data_type, &type, &rest);
   Data_Get_Struct(self, struct ptr_data, data);
@@ -731,9 +728,8 @@ cary2ary(void *ptr, char t, int len)
 VALUE
 rb_dlptr_aref(int argc, VALUE argv[], VALUE self)
 {
-  VALUE val, key = Qnil, num = Qnil;
+  VALUE key = Qnil, num = Qnil;
   ID id;
-  int idx;
   struct ptr_data *data;
   int i;
   int offset;
diff --git a/ext/dl/sym.c b/ext/dl/sym.c
index b5de3b961f..95a813cc1f 100644
--- a/ext/dl/sym.c
+++ b/ext/dl/sym.c
@@ -145,7 +145,6 @@ VALUE
 rb_dlsym_initialize(int argc, VALUE argv[], VALUE self)
 {
   VALUE addr, name, type;
-  VALUE val;
   struct sym_data *data;
   void *saddr;
   const char *sname, *stype;
@@ -266,7 +265,7 @@ rb_dlsym_inspect(VALUE self)
   str_size = RSTRING(proto)->len + 100;
   str = dlmalloc(str_size);
   snprintf(str, str_size - 1,
-	   "#<DL::Symbol:0x%x func=0x%x '%s'>",
+	   "#<DL::Symbol:0x%p func=0x%p '%s'>",
 	   sym, sym->func, RSTRING(proto)->ptr);
   val = rb_tainted_str_new2(str);
   dlfree(str);