diff --git a/bootstraptest/test_insns.rb b/bootstraptest/test_insns.rb
index 4dd8888..7ecb2d2 100644
--- a/bootstraptest/test_insns.rb
+++ b/bootstraptest/test_insns.rb
@@ -366,7 +366,6 @@ class X; def x; {}; end; end
     [ 'opt_succ',%Q{ #{ $FIXNUM_MAX }.succ == #{ $FIXNUM_MAX + 1 } }, ]
   end,
   [ 'opt_succ',  %q{ '1'.succ == '2' }, ],
-  [ 'opt_succ',  %q{ x = Time.at(0); x.succ == Time.at(1) }, ],
 
   [ 'opt_not',  %q{ ! false }, ],
   [ 'opt_neq', <<~'},', ],       # {
diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index d77e5ec..ea36b04 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -943,7 +943,6 @@ VALUE rb_mod_remove_cvar(VALUE, VALUE);
 
 ID rb_frame_callee(void);
 VALUE rb_str_succ(VALUE);
-VALUE rb_time_succ(VALUE);
 VALUE rb_make_backtrace(void);
 VALUE rb_make_exception(int, const VALUE*);
 
diff --git a/range.c b/range.c
index 5897557..655d4ee 100644
--- a/range.c
+++ b/range.c
@@ -297,7 +297,6 @@ step_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, arg))
 static int
 discrete_object_p(VALUE obj)
 {
-    if (rb_obj_is_kind_of(obj, rb_cTime)) return FALSE; /* until Time#succ removed */
     return rb_respond_to(obj, id_succ);
 }
 
diff --git a/spec/ruby/core/time/succ_spec.rb b/spec/ruby/core/time/succ_spec.rb
index 6831200..6e31ae2 100644
--- a/spec/ruby/core/time/succ_spec.rb
+++ b/spec/ruby/core/time/succ_spec.rb
@@ -1,19 +1,9 @@
 require File.expand_path('../../../spec_helper', __FILE__)
 
 describe "Time#succ" do
-  it "returns a new time one second later than time" do
+  it "raises a NoMethodError" do
     -> {
       @result = Time.at(100).succ
-    }.should complain(/Time#succ is obsolete/)
-    @result.should == Time.at(101)
-  end
-
-  it "returns a new instance" do
-    t1 = Time.at(100)
-    t2 = nil
-    -> {
-      t2 = t1.succ
-    }.should complain(/Time#succ is obsolete/)
-    t1.object_id.should_not == t2.object_id
+    }.should raise_error(NoMethodError, /undefined method `succ'/)
   end
 end
diff --git a/time.c b/time.c
index 7a43e58..fc09893 100644
--- a/time.c
+++ b/time.c
@@ -3701,37 +3701,6 @@ time_minus(VALUE time1, VALUE time2)
 
 /*
  * call-seq:
- *   time.succ   -> new_time
- *
- * Returns a new Time object, one second later than _time_.
- * Time#succ is obsolete since 1.9.2 for time is not a discrete value.
- *
- *     t = Time.now       #=> 2007-11-19 08:23:57 -0600
- *     t.succ             #=> 2007-11-19 08:23:58 -0600
- *
- * Use instead <code>time + 1</code>
- *
- *     t + 1              #=> 2007-11-19 08:23:58 -0600
- */
-
-VALUE
-rb_time_succ(VALUE time)
-{
-    struct time_object *tobj;
-    struct time_object *tobj2;
-
-    rb_warn("Time#succ is obsolete; use time + 1");
-    GetTimeval(time, tobj);
-    time = time_new_timew(rb_cTime, wadd(tobj->timew, WINT2FIXWV(TIME_SCALE)));
-    GetTimeval(time, tobj2);
-    TIME_COPY_GMT(tobj2, tobj);
-    return time;
-}
-
-#define time_succ rb_time_succ
-
-/*
- * call-seq:
  *   time.round([ndigits])   -> new_time
  *
  * Rounds sub seconds to a given precision in decimal digits (0 digits by default).
@@ -4885,7 +4854,6 @@ Init_Time(void)
     rb_define_method(rb_cTime, "+", time_plus, 1);
     rb_define_method(rb_cTime, "-", time_minus, 1);
 
-    rb_define_method(rb_cTime, "succ", time_succ, 0);
     rb_define_method(rb_cTime, "round", time_round, -1);
 
     rb_define_method(rb_cTime, "sec", time_sec, 0);
diff --git a/vm.c b/vm.c
index b867fdc..377fa3f 100644
--- a/vm.c
+++ b/vm.c
@@ -1597,7 +1597,7 @@ vm_init_redefined_flag(void)
     OP(Length, LENGTH), (C(Array), C(String), C(Hash));
     OP(Size, SIZE), (C(Array), C(String), C(Hash));
     OP(EmptyP, EMPTY_P), (C(Array), C(String), C(Hash));
-    OP(Succ, SUCC), (C(Integer), C(String), C(Time));
+    OP(Succ, SUCC), (C(Integer), C(String));
     OP(EqTilde, MATCH), (C(Regexp), C(String));
     OP(Freeze, FREEZE), (C(String));
     OP(UMinus, UMINUS), (C(String));