diff --git a/tests/phpt/dl/395_subnormal_doubles_in_json.php b/tests/phpt/dl/395_subnormal_doubles_in_json.php
index 9385f3a40e..8c58d4a095 100644
--- a/tests/phpt/dl/395_subnormal_doubles_in_json.php
+++ b/tests/phpt/dl/395_subnormal_doubles_in_json.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 
 function test_json_encode() {
diff --git a/tests/phpt/json/108_tuples_and_shapes_forbidden.php b/tests/phpt/json/108_tuples_and_shapes_forbidden.php
index 918b1e70e2..7247780c42 100644
--- a/tests/phpt/json/108_tuples_and_shapes_forbidden.php
+++ b/tests/phpt/json/108_tuples_and_shapes_forbidden.php
@@ -1,4 +1,4 @@
-@kphp_should_fail k2_skip
+@kphp_should_fail
 /Field WithTuple::\$tupe is @var tuple\(int, string\), it's incompatible with json/
 /Field WithShape::\$shape is @var shape\(a:int, b:string\), it's incompatible with json/
 /Field WithBuiltin::\$ex is @var \?ArgumentCountError, it's incompatible with json/
diff --git a/tests/phpt/json/10_array_nested.php b/tests/phpt/json/10_array_nested.php
index 0801475200..06eab43ec3 100644
--- a/tests/phpt/json/10_array_nested.php
+++ b/tests/phpt/json/10_array_nested.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/114_field_reorder.php b/tests/phpt/json/114_field_reorder.php
index 78b48ba02e..cb9eca25d5 100644
--- a/tests/phpt/json/114_field_reorder.php
+++ b/tests/phpt/json/114_field_reorder.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 
 require_once 'kphp_tester_include.php';
diff --git a/tests/phpt/json/11_array_of_mixed.php b/tests/phpt/json/11_array_of_mixed.php
index fe1c71dc6d..a9aef32746 100644
--- a/tests/phpt/json/11_array_of_mixed.php
+++ b/tests/phpt/json/11_array_of_mixed.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/12_array_string_int_key_conversions.php b/tests/phpt/json/12_array_string_int_key_conversions.php
index 333fb940b2..2a7f94e34e 100644
--- a/tests/phpt/json/12_array_string_int_key_conversions.php
+++ b/tests/phpt/json/12_array_string_int_key_conversions.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/13_nan_inf.php b/tests/phpt/json/13_nan_inf.php
index cd4a371367..c2b5f0fa1e 100644
--- a/tests/phpt/json/13_nan_inf.php
+++ b/tests/phpt/json/13_nan_inf.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/14_override_json_keys.php b/tests/phpt/json/14_override_json_keys.php
index 4ea16d6e4f..d219cbb54c 100644
--- a/tests/phpt/json/14_override_json_keys.php
+++ b/tests/phpt/json/14_override_json_keys.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/15_default_values.php b/tests/phpt/json/15_default_values.php
index 3534e1efa9..d3a7328050 100644
--- a/tests/phpt/json/15_default_values.php
+++ b/tests/phpt/json/15_default_values.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/16_json_obj_keys_order.php b/tests/phpt/json/16_json_obj_keys_order.php
index 8cf5dee2e1..8d4086c9ff 100644
--- a/tests/phpt/json/16_json_obj_keys_order.php
+++ b/tests/phpt/json/16_json_obj_keys_order.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/18_rename_field_policy.php b/tests/phpt/json/18_rename_field_policy.php
index 71ea61ecee..01ffcf44a6 100644
--- a/tests/phpt/json/18_rename_field_policy.php
+++ b/tests/phpt/json/18_rename_field_policy.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/19_skip_field.php b/tests/phpt/json/19_skip_field.php
index 37af469efb..5508e2820d 100644
--- a/tests/phpt/json/19_skip_field.php
+++ b/tests/phpt/json/19_skip_field.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/1_basic_types.php b/tests/phpt/json/1_basic_types.php
index 2dba4a4005..7a938d3916 100644
--- a/tests/phpt/json/1_basic_types.php
+++ b/tests/phpt/json/1_basic_types.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/20_fields_rename.php b/tests/phpt/json/20_fields_rename.php
index 4a4336cbbb..625400cbf8 100644
--- a/tests/phpt/json/20_fields_rename.php
+++ b/tests/phpt/json/20_fields_rename.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/21_visibility_policy.php b/tests/phpt/json/21_visibility_policy.php
index 4376f56377..2981bcead4 100644
--- a/tests/phpt/json/21_visibility_policy.php
+++ b/tests/phpt/json/21_visibility_policy.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/22_skip_if_default.php b/tests/phpt/json/22_skip_if_default.php
index c1459249ce..662544402a 100644
--- a/tests/phpt/json/22_skip_if_default.php
+++ b/tests/phpt/json/22_skip_if_default.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/23_float_precision.php b/tests/phpt/json/23_float_precision.php
index d10dc90fca..e2611a076f 100644
--- a/tests/phpt/json/23_float_precision.php
+++ b/tests/phpt/json/23_float_precision.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/24_flatten_classes.php b/tests/phpt/json/24_flatten_classes.php
index 3332b8a0f1..cba578a903 100644
--- a/tests/phpt/json/24_flatten_classes.php
+++ b/tests/phpt/json/24_flatten_classes.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/25_pretty_print.php b/tests/phpt/json/25_pretty_print.php
index b285aafdfd..279e0fc5b2 100644
--- a/tests/phpt/json/25_pretty_print.php
+++ b/tests/phpt/json/25_pretty_print.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/26_raw_string.php b/tests/phpt/json/26_raw_string.php
index 437ce18d14..447c84d9ad 100644
--- a/tests/phpt/json/26_raw_string.php
+++ b/tests/phpt/json/26_raw_string.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/27_encoder_namespaces.php b/tests/phpt/json/27_encoder_namespaces.php
index 34e6afa90f..b64cf223b5 100644
--- a/tests/phpt/json/27_encoder_namespaces.php
+++ b/tests/phpt/json/27_encoder_namespaces.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 require __DIR__ . '/include/MyJsonEncoder.php';
diff --git a/tests/phpt/json/28_strings_escape.php b/tests/phpt/json/28_strings_escape.php
index 75d2477517..5577ba989d 100644
--- a/tests/phpt/json/28_strings_escape.php
+++ b/tests/phpt/json/28_strings_escape.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/29_derived_encode.php b/tests/phpt/json/29_derived_encode.php
index ae060e2b8b..62b9745256 100644
--- a/tests/phpt/json/29_derived_encode.php
+++ b/tests/phpt/json/29_derived_encode.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/2_null_object.php b/tests/phpt/json/2_null_object.php
index e349173f15..efc197cbf0 100644
--- a/tests/phpt/json/2_null_object.php
+++ b/tests/phpt/json/2_null_object.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/30_more_encode_array.php b/tests/phpt/json/30_more_encode_array.php
index 4bfc424882..5bc4441a6f 100644
--- a/tests/phpt/json/30_more_encode_array.php
+++ b/tests/phpt/json/30_more_encode_array.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/31_russian_cp1251.php b/tests/phpt/json/31_russian_cp1251.php
index 7935ba85c3..dafecbb4a8 100644
--- a/tests/phpt/json/31_russian_cp1251.php
+++ b/tests/phpt/json/31_russian_cp1251.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 // important! this file is saved as cp1251
 require_once 'kphp_tester_include.php';
diff --git a/tests/phpt/json/31_russian_utf8.php b/tests/phpt/json/31_russian_utf8.php
index fc890a2462..cb183aad1a 100644
--- a/tests/phpt/json/31_russian_utf8.php
+++ b/tests/phpt/json/31_russian_utf8.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 // important! this file is saved as utf-8
 require_once 'kphp_tester_include.php';
diff --git a/tests/phpt/json/32_preserve_zero_fraction.php b/tests/phpt/json/32_preserve_zero_fraction.php
index 7bc4bb6e4a..c5966ae69a 100644
--- a/tests/phpt/json/32_preserve_zero_fraction.php
+++ b/tests/phpt/json/32_preserve_zero_fraction.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/33_required_fields.php b/tests/phpt/json/33_required_fields.php
index 189dcba892..2d382c923f 100644
--- a/tests/phpt/json/33_required_fields.php
+++ b/tests/phpt/json/33_required_fields.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/34_specified_fields.php b/tests/phpt/json/34_specified_fields.php
index 13251fe7c7..6a2700d9f0 100644
--- a/tests/phpt/json/34_specified_fields.php
+++ b/tests/phpt/json/34_specified_fields.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/35_for_encoder.php b/tests/phpt/json/35_for_encoder.php
index 258a2140b8..aa5fdcf265 100644
--- a/tests/phpt/json/35_for_encoder.php
+++ b/tests/phpt/json/35_for_encoder.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/36_wakeup_after_decode.php b/tests/phpt/json/36_wakeup_after_decode.php
index 761a44be5d..81ebe4a04a 100644
--- a/tests/phpt/json/36_wakeup_after_decode.php
+++ b/tests/phpt/json/36_wakeup_after_decode.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/38_optimized_init_val.php b/tests/phpt/json/38_optimized_init_val.php
index ab8584e3b5..96283c12cf 100644
--- a/tests/phpt/json/38_optimized_init_val.php
+++ b/tests/phpt/json/38_optimized_init_val.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/3_nested_objects.php b/tests/phpt/json/3_nested_objects.php
index f77aac43ce..ad6fcaf7dd 100644
--- a/tests/phpt/json/3_nested_objects.php
+++ b/tests/phpt/json/3_nested_objects.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/4_mixed_values.php b/tests/phpt/json/4_mixed_values.php
index 0fc8ec4678..302ec2a0f0 100644
--- a/tests/phpt/json/4_mixed_values.php
+++ b/tests/phpt/json/4_mixed_values.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/5_optional_values.php b/tests/phpt/json/5_optional_values.php
index 5ca4867a25..e405f68ee0 100644
--- a/tests/phpt/json/5_optional_values.php
+++ b/tests/phpt/json/5_optional_values.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/6_invalid_json.php b/tests/phpt/json/6_invalid_json.php
index 097ae953d4..1a3a752f33 100644
--- a/tests/phpt/json/6_invalid_json.php
+++ b/tests/phpt/json/6_invalid_json.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/7_conversion_errors.php b/tests/phpt/json/7_conversion_errors.php
index 73811b2a19..e6d64add1c 100644
--- a/tests/phpt/json/7_conversion_errors.php
+++ b/tests/phpt/json/7_conversion_errors.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/8_array_vector.php b/tests/phpt/json/8_array_vector.php
index 27845c8113..79bca3fe67 100644
--- a/tests/phpt/json/8_array_vector.php
+++ b/tests/phpt/json/8_array_vector.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';
 
diff --git a/tests/phpt/json/9_array_map.php b/tests/phpt/json/9_array_map.php
index d53ba1c584..6b8ac43e49 100644
--- a/tests/phpt/json/9_array_map.php
+++ b/tests/phpt/json/9_array_map.php
@@ -1,4 +1,4 @@
-@ok k2_skip
+@ok
 <?php
 require_once 'kphp_tester_include.php';