diff --git a/experiments/field_trials.py b/experiments/field_trials.py
index cecca11c5b..c4455015a0 100755
--- a/experiments/field_trials.py
+++ b/experiments/field_trials.py
@@ -113,9 +113,6 @@ ACTIVE_FIELD_TRIALS: FrozenSet[FieldTrial] = frozenset([
     FieldTrial('WebRTC-PermuteTlsClientHello',
                42225803,
                date(2025, 1, 1)),
-    FieldTrial('WebRTC-DisableTlsSessionTicketKillswitch',
-               367181089,
-               date(2025, 7, 1)),
     FieldTrial('WebRTC-QCM-Dynamic-AV1',
                349860657,
                date(2025, 7, 1)),
diff --git a/rtc_base/openssl_stream_adapter.cc b/rtc_base/openssl_stream_adapter.cc
index d9f873b586..b7b1d1cfd1 100644
--- a/rtc_base/openssl_stream_adapter.cc
+++ b/rtc_base/openssl_stream_adapter.cc
@@ -306,9 +306,7 @@ OpenSSLStreamAdapter::OpenSSLStreamAdapter(
           !webrtc::field_trial::IsDisabled("WebRTC-PermuteTlsClientHello")),
 #endif
       ssl_mode_(SSL_MODE_DTLS),
-      ssl_max_version_(SSL_PROTOCOL_DTLS_12),
-      disable_handshake_ticket_(!webrtc::field_trial::IsDisabled(
-          "WebRTC-DisableTlsSessionTicketKillswitch")) {
+      ssl_max_version_(SSL_PROTOCOL_TLS_12) {
   stream_->SetEventCallback(
       [this](int events, int err) { OnEvent(events, err); });
 }
@@ -1082,9 +1080,6 @@ SSL_CTX* OpenSSLStreamAdapter::SetupSSLContext() {
   SSL_CTX_set_permute_extensions(ctx, permute_extension_);
 #endif
 
-  if (disable_handshake_ticket_) {
-    SSL_CTX_set_options(ctx, SSL_OP_NO_TICKET);
-  }
   return ctx;
 }
 
diff --git a/rtc_base/openssl_stream_adapter.h b/rtc_base/openssl_stream_adapter.h
index e67992be45..92e8c1017e 100644
--- a/rtc_base/openssl_stream_adapter.h
+++ b/rtc_base/openssl_stream_adapter.h
@@ -250,9 +250,6 @@ class OpenSSLStreamAdapter final : public SSLStreamAdapter,
   // A 50-ms initial timeout ensures rapid setup on fast connections, but may
   // be too aggressive for low bandwidth links.
   int dtls_handshake_timeout_ms_ = 50;
-
-  // Rollout killswitch for disabling session tickets.
-  const bool disable_handshake_ticket_;
 };
 
 /////////////////////////////////////////////////////////////////////////////