diff --git a/mrbgems/mruby-hash-ext/src/hash_ext.c b/mrbgems/mruby-hash-ext/src/hash_ext.c
index 652662a9f..728fe5f59 100644
--- a/mrbgems/mruby-hash-ext/src/hash_ext.c
+++ b/mrbgems/mruby-hash-ext/src/hash_ext.c
@@ -328,54 +328,6 @@ hash_key(mrb_state *mrb, mrb_value hash)
   return search.found ? search.result : mrb_nil_value();
 }
 
-/*
- *  call-seq:
- *     hsh.deconstruct_keys(keys) -> hash
- *
- *  Returns a hash containing the contents of hsh for the given keys.
- *
- *  If keys is nil, returns the hash itself.
- *  If keys is an array, returns a new hash containing only the specified keys.
- *
- *     h = { a: 1, b: 2, c: 3, d: 4 }
- *     h.deconstruct_keys([:a, :c])   #=> { a: 1, c: 3 }
- *     h.deconstruct_keys(nil)        #=> { a: 1, b: 2, c: 3, d: 4 }
- *     h.deconstruct_keys([:x, :y])   #=> { x: nil, y: nil }
- */
-static mrb_value
-hash_deconstruct_keys(mrb_state *mrb, mrb_value hash)
-{
-  mrb_value keys;
-  mrb_value result;
-  mrb_int i, len;
-
-  mrb_get_args(mrb, "o", &keys);
-
-  /* If keys is nil, return the hash itself */
-  if (mrb_nil_p(keys)) {
-    return hash;
-  }
-
-  /* Keys must be an array */
-  if (!mrb_array_p(keys)) {
-    mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %C (expected Array or nil)",
-               mrb_obj_class(mrb, keys));
-  }
-
-  /* Create result hash */
-  result = mrb_hash_new(mrb);
-  len = RARRAY_LEN(keys);
-
-  /* Extract specified keys */
-  for (i = 0; i < len; i++) {
-    mrb_value key = mrb_ary_ref(mrb, keys, i);
-    mrb_value val = mrb_hash_get(mrb, hash, key);
-    mrb_hash_set(mrb, result, key, val);
-  }
-
-  return result;
-}
-
 /*
  *  call-seq:
  *     hsh.__merge(*others) -> hsh
@@ -425,7 +377,6 @@ mrb_mruby_hash_ext_gem_init(mrb_state *mrb)
   mrb_define_method_id(mrb, h, MRB_SYM_B(slice),    hash_slice_bang, MRB_ARGS_ANY());
   mrb_define_method_id(mrb, h, MRB_SYM(except),    hash_except, MRB_ARGS_ANY());
   mrb_define_method_id(mrb, h, MRB_SYM(key),       hash_key, MRB_ARGS_REQ(1));
-  mrb_define_method_id(mrb, h, MRB_SYM(deconstruct_keys), hash_deconstruct_keys, MRB_ARGS_REQ(1));
   mrb_define_method_id(mrb, h, MRB_SYM(__merge),   hash_merge, MRB_ARGS_ANY());
   mrb_define_class_method_id(mrb, h, MRB_OPSYM(aref), hash_s_create, MRB_ARGS_ANY());
 }
diff --git a/mrbgems/mruby-hash-ext/test/hash.rb b/mrbgems/mruby-hash-ext/test/hash.rb
index 67d334c09..13b8df612 100644
--- a/mrbgems/mruby-hash-ext/test/hash.rb
+++ b/mrbgems/mruby-hash-ext/test/hash.rb
@@ -315,28 +315,3 @@ assert("Hash#except") do
   assert_equal({:a=>100}, h.except(:b, :c, :d))
   assert_equal(h, h.except)
 end
-
-assert("Hash#deconstruct_keys") do
-  h = { a: 1, b: 2, c: 3, d: 4 }
-
-  # Test with specific keys
-  result = h.deconstruct_keys([:a, :c])
-  assert_equal({ a: 1, c: 3 }, result)
-
-  # Test with nil (return self)
-  result_nil = h.deconstruct_keys(nil)
-  assert_equal(h, result_nil)
-  assert_true(result_nil.equal?(h))
-
-  # Test with non-existent keys
-  result_missing = h.deconstruct_keys([:a, :x, :y])
-  assert_equal({ a: 1, x: nil, y: nil }, result_missing)
-
-  # Test with empty array
-  result_empty = h.deconstruct_keys([])
-  assert_equal({}, result_empty)
-
-  # Test error cases
-  assert_raise(TypeError) { h.deconstruct_keys("not_an_array") }
-  assert_raise(TypeError) { h.deconstruct_keys(123) }
-end