diff --git a/kyuubi-common/src/main/scala/org/apache/kyuubi/config/KyuubiConf.scala b/kyuubi-common/src/main/scala/org/apache/kyuubi/config/KyuubiConf.scala
index 5346d19a20b..6baca63e578 100644
--- a/kyuubi-common/src/main/scala/org/apache/kyuubi/config/KyuubiConf.scala
+++ b/kyuubi-common/src/main/scala/org/apache/kyuubi/config/KyuubiConf.scala
@@ -605,34 +605,6 @@ object KyuubiConf {
       .version("1.4.0")
       .fallbackConf(FRONTEND_MAX_MESSAGE_SIZE)
 
-  @deprecated("using kyuubi.frontend.thrift.login.timeout instead", "1.4.0")
-  val FRONTEND_LOGIN_TIMEOUT: ConfigEntry[Long] =
-    buildConf("kyuubi.frontend.login.timeout")
-      .doc("(deprecated) Timeout for Thrift clients during login to the thrift frontend service.")
-      .version("1.0.0")
-      .timeConf
-      .createWithDefault(Duration.ofSeconds(20).toMillis)
-
-  val FRONTEND_THRIFT_LOGIN_TIMEOUT: ConfigEntry[Long] =
-    buildConf("kyuubi.frontend.thrift.login.timeout")
-      .doc("Timeout for Thrift clients during login to the thrift frontend service.")
-      .version("1.4.0")
-      .fallbackConf(FRONTEND_LOGIN_TIMEOUT)
-
-  @deprecated("using kyuubi.frontend.thrift.backoff.slot.length instead", "1.4.0")
-  val FRONTEND_LOGIN_BACKOFF_SLOT_LENGTH: ConfigEntry[Long] =
-    buildConf("kyuubi.frontend.backoff.slot.length")
-      .doc("(deprecated) Time to back off during login to the thrift frontend service.")
-      .version("1.0.0")
-      .timeConf
-      .createWithDefault(Duration.ofMillis(100).toMillis)
-
-  val FRONTEND_THRIFT_LOGIN_BACKOFF_SLOT_LENGTH: ConfigEntry[Long] =
-    buildConf("kyuubi.frontend.thrift.backoff.slot.length")
-      .doc("Time to back off during login to the thrift frontend service.")
-      .version("1.4.0")
-      .fallbackConf(FRONTEND_LOGIN_BACKOFF_SLOT_LENGTH)
-
   val FRONTEND_THRIFT_HTTP_REQUEST_HEADER_SIZE: ConfigEntry[Int] =
     buildConf("kyuubi.frontend.thrift.http.request.header.size")
       .doc("Request header size in bytes, when using HTTP transport mode. Jetty defaults used.")
@@ -3144,14 +3116,6 @@ object KyuubiConf {
         FRONTEND_MAX_MESSAGE_SIZE.key,
         "1.4.0",
         s"Use ${FRONTEND_THRIFT_MAX_MESSAGE_SIZE.key} instead"),
-      DeprecatedConfig(
-        FRONTEND_LOGIN_TIMEOUT.key,
-        "1.4.0",
-        s"Use ${FRONTEND_THRIFT_LOGIN_TIMEOUT.key} instead"),
-      DeprecatedConfig(
-        FRONTEND_LOGIN_BACKOFF_SLOT_LENGTH.key,
-        "1.4.0",
-        s"Use ${FRONTEND_THRIFT_LOGIN_BACKOFF_SLOT_LENGTH.key} instead"),
       DeprecatedConfig(
         SESSION_TIMEOUT.key,
         "1.2.0",
diff --git a/kyuubi-common/src/main/scala/org/apache/kyuubi/service/TBinaryFrontendService.scala b/kyuubi-common/src/main/scala/org/apache/kyuubi/service/TBinaryFrontendService.scala
index fadc9cf0697..a823b3b70dd 100644
--- a/kyuubi-common/src/main/scala/org/apache/kyuubi/service/TBinaryFrontendService.scala
+++ b/kyuubi-common/src/main/scala/org/apache/kyuubi/service/TBinaryFrontendService.scala
@@ -101,8 +101,6 @@ abstract class TBinaryFrontendService(name: String)
         }
       _actualPort = tServerSocket.getServerSocket.getLocalPort
       val maxMessageSize = conf.get(FRONTEND_THRIFT_MAX_MESSAGE_SIZE)
-      val requestTimeout = conf.get(FRONTEND_THRIFT_LOGIN_TIMEOUT).toInt
-      val beBackoffSlotLength = conf.get(FRONTEND_THRIFT_LOGIN_BACKOFF_SLOT_LENGTH).toInt
       val args = new TThreadPoolServer.Args(tServerSocket)
         .processorFactory(tProcFactory)
         .transportFactory(transFactory)