diff --git a/quic/core/quic_flags_list.h b/quic/core/quic_flags_list.h
index 4e7f805..095b7b6 100644
--- a/quic/core/quic_flags_list.h
+++ b/quic/core/quic_flags_list.h
@@ -35,7 +35,6 @@
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_q050, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_disable_version_t051, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_discard_initial_packet_with_key_dropped, true)
-QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_do_not_clip_received_error_code, true)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_donot_reset_ideal_next_packet_send_time, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_dont_defer_sending, false)
 QUIC_FLAG(FLAGS_quic_reloadable_flag_quic_enable_alps_client, true)
diff --git a/quic/core/quic_framer.cc b/quic/core/quic_framer.cc
index 6015249..af85f12 100644
--- a/quic/core/quic_framer.cc
+++ b/quic/core/quic_framer.cc
@@ -4085,15 +4085,6 @@
     return false;
   }
 
-  if (GetQuicReloadableFlag(quic_do_not_clip_received_error_code)) {
-    QUIC_CODE_COUNT_N(quic_do_not_clip_received_error_code, 1, 2);
-  } else {
-    if (error_code >= QUIC_LAST_ERROR) {
-      // Ignore invalid QUIC error code if any.
-      error_code = QUIC_LAST_ERROR;
-    }
-  }
-
   // For Google QUIC connection closes, |wire_error_code| and |quic_error_code|
   // must have the same value.
   frame->wire_error_code = error_code;
@@ -4117,14 +4108,6 @@
     return false;
   }
 
-  if (GetQuicReloadableFlag(quic_do_not_clip_received_error_code)) {
-    QUIC_CODE_COUNT_N(quic_do_not_clip_received_error_code, 2, 2);
-  } else {
-    if (error_code >= QUIC_LAST_ERROR) {
-      // Ignore invalid QUIC error code if any.
-      error_code = QUIC_LAST_ERROR;
-    }
-  }
   frame->error_code = static_cast<QuicErrorCode>(error_code);
 
   uint32_t stream_id;
diff --git a/quic/core/quic_framer_test.cc b/quic/core/quic_framer_test.cc
index 218d9a9..4859ad6 100644
--- a/quic/core/quic_framer_test.cc
+++ b/quic/core/quic_framer_test.cc
@@ -4605,15 +4605,8 @@
   } else {
     // For Google QUIC frame, |quic_error_code| and |wire_error_code| has the
     // same value.
-    if (GetQuicReloadableFlag(quic_do_not_clip_received_error_code)) {
-      EXPECT_EQ(0xC0DEu, visitor_.connection_close_frame_.wire_error_code);
-      EXPECT_EQ(0xC0DEu, visitor_.connection_close_frame_.quic_error_code);
-    } else {
-      EXPECT_EQ(QUIC_LAST_ERROR,
-                visitor_.connection_close_frame_.wire_error_code);
-      EXPECT_EQ(QUIC_LAST_ERROR,
-                visitor_.connection_close_frame_.quic_error_code);
-    }
+    EXPECT_EQ(0xC0DEu, visitor_.connection_close_frame_.wire_error_code);
+    EXPECT_EQ(0xC0DEu, visitor_.connection_close_frame_.quic_error_code);
   }
 
   ASSERT_EQ(0u, visitor_.ack_frames_.size());
@@ -5053,11 +5046,7 @@
       PACKET_8BYTE_CONNECTION_ID, PACKET_0BYTE_CONNECTION_ID));
 
   EXPECT_EQ(kStreamId, visitor_.goaway_frame_.last_good_stream_id);
-  if (GetQuicReloadableFlag(quic_do_not_clip_received_error_code)) {
-    EXPECT_EQ(0xC0DE, visitor_.goaway_frame_.error_code);
-  } else {
-    EXPECT_EQ(QUIC_LAST_ERROR, visitor_.goaway_frame_.error_code);
-  }
+  EXPECT_EQ(0xC0DE, visitor_.goaway_frame_.error_code);
   EXPECT_EQ("because I can", visitor_.goaway_frame_.reason_phrase);
 
   CheckFramingBoundaries(fragments, QUIC_INVALID_GOAWAY_DATA);