diff --git a/aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/AuthConfiguration.kt b/aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/AuthConfiguration.kt
index e5faf738b..e70216fc4 100644
--- a/aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/AuthConfiguration.kt
+++ b/aws-auth-cognito/src/main/java/com/amplifyframework/auth/cognito/AuthConfiguration.kt
@@ -177,7 +177,7 @@ data class AuthConfiguration internal constructor(
                 ),
                 identityPool = identityPool,
                 oauth = oauth,
-                authFlowType = auth.authenticationFlowType.toConfigType(),
+                authFlowType = AuthFlowType.USER_SRP_AUTH,
                 signUpAttributes = auth.standardRequiredAttributes,
                 usernameAttributes = auth.usernameAttributes.map { it.toConfigType() },
                 verificationMechanisms = auth.userVerificationTypes.map { it.toConfigType() },
@@ -223,11 +223,6 @@ data class AuthConfiguration internal constructor(
             func(it)
         }
 
-        private fun AmplifyOutputsData.Auth.AuthenticationFlowType.toConfigType() = when (this) {
-            AmplifyOutputsData.Auth.AuthenticationFlowType.USER_SRP_AUTH -> AuthFlowType.USER_SRP_AUTH
-            AmplifyOutputsData.Auth.AuthenticationFlowType.CUSTOM_AUTH -> AuthFlowType.CUSTOM_AUTH
-        }
-
         private fun AmplifyOutputsData.Auth.UsernameAttributes.toConfigType() = when (this) {
             AmplifyOutputsData.Auth.UsernameAttributes.Email -> UsernameAttribute.Email
             AmplifyOutputsData.Auth.UsernameAttributes.PhoneNumber -> UsernameAttribute.PhoneNumber
diff --git a/aws-auth-cognito/src/test/java/com/amplifyframework/auth/cognito/AuthConfigurationTest.kt b/aws-auth-cognito/src/test/java/com/amplifyframework/auth/cognito/AuthConfigurationTest.kt
index 970141d3a..cb97711b9 100644
--- a/aws-auth-cognito/src/test/java/com/amplifyframework/auth/cognito/AuthConfigurationTest.kt
+++ b/aws-auth-cognito/src/test/java/com/amplifyframework/auth/cognito/AuthConfigurationTest.kt
@@ -180,7 +180,6 @@ class AuthConfigurationTest {
                 userPoolId = "userpool"
                 userPoolClientId = "userpool-client"
                 identityPoolId = "identity-pool"
-                authenticationFlowType = AmplifyOutputsData.Auth.AuthenticationFlowType.CUSTOM_AUTH
                 passwordPolicy {
                     requireLowercase = true
                     requireSymbols = true
@@ -203,7 +202,7 @@ class AuthConfigurationTest {
 
         val configuration = AuthConfiguration.from(data)
 
-        configuration.authFlowType shouldBe AuthFlowType.CUSTOM_AUTH
+        configuration.authFlowType shouldBe AuthFlowType.USER_SRP_AUTH
         configuration.userPool.shouldNotBeNull().run {
             region shouldBe "test-region"
             poolId shouldBe "userpool"
@@ -243,13 +242,12 @@ class AuthConfigurationTest {
                 awsRegion = "test-region"
                 userPoolId = "userpool"
                 userPoolClientId = "userpool-client"
-                authenticationFlowType = AmplifyOutputsData.Auth.AuthenticationFlowType.CUSTOM_AUTH
             }
         }
 
         val configuration = AuthConfiguration.from(data)
 
-        configuration.authFlowType shouldBe AuthFlowType.CUSTOM_AUTH
+        configuration.authFlowType shouldBe AuthFlowType.USER_SRP_AUTH
         configuration.userPool.shouldNotBeNull().run {
             region shouldBe "test-region"
             poolId shouldBe "userpool"
diff --git a/core/src/main/java/com/amplifyframework/core/configuration/AmplifyOutputsData.kt b/core/src/main/java/com/amplifyframework/core/configuration/AmplifyOutputsData.kt
index 33651bbdd..630a51034 100644
--- a/core/src/main/java/com/amplifyframework/core/configuration/AmplifyOutputsData.kt
+++ b/core/src/main/java/com/amplifyframework/core/configuration/AmplifyOutputsData.kt
@@ -22,7 +22,6 @@ import com.amplifyframework.AmplifyException
 import com.amplifyframework.annotations.InternalAmplifyApi
 import com.amplifyframework.auth.AuthUserAttributeKey
 import com.amplifyframework.core.configuration.AmplifyOutputsData.AmazonPinpointChannels
-import com.amplifyframework.core.configuration.AmplifyOutputsData.Auth.AuthenticationFlowType
 import com.amplifyframework.core.configuration.AmplifyOutputsData.Auth.MfaConfiguration
 import com.amplifyframework.core.configuration.AmplifyOutputsData.Auth.MfaMethods
 import com.amplifyframework.core.configuration.AmplifyOutputsData.Auth.Oauth.IdentityProviders
@@ -66,7 +65,6 @@ interface AmplifyOutputsData {
     @InternalAmplifyApi
     interface Auth {
         val awsRegion: String
-        val authenticationFlowType: AuthenticationFlowType
         val userPoolId: String
         val userPoolClientId: String
         val identityPoolId: String?
@@ -114,9 +112,6 @@ interface AmplifyOutputsData {
             }
         }
 
-        @InternalAmplifyApi
-        enum class AuthenticationFlowType { USER_SRP_AUTH, CUSTOM_AUTH }
-
         @InternalAmplifyApi
         @Serializable
         enum class UsernameAttributes {
@@ -282,7 +277,6 @@ internal data class AmplifyOutputsDataImpl(
     @Serializable
     data class Auth(
         override val awsRegion: String,
-        override val authenticationFlowType: AuthenticationFlowType = AuthenticationFlowType.USER_SRP_AUTH,
         override val userPoolId: String,
         override val userPoolClientId: String,
         override val identityPoolId: String?,
diff --git a/core/src/test/java/com/amplifyframework/core/configuration/AmplifyOutputsDataTest.kt b/core/src/test/java/com/amplifyframework/core/configuration/AmplifyOutputsDataTest.kt
index 85c7e8338..17ee400ca 100644
--- a/core/src/test/java/com/amplifyframework/core/configuration/AmplifyOutputsDataTest.kt
+++ b/core/src/test/java/com/amplifyframework/core/configuration/AmplifyOutputsDataTest.kt
@@ -58,7 +58,6 @@ class AmplifyOutputsDataTest {
         val json = createJson(
             Keys.auth to mapOf(
                 Keys.region to "us-east-1",
-                Keys.authFlowType to AmplifyOutputsData.Auth.AuthenticationFlowType.USER_SRP_AUTH.name,
                 Keys.userPoolId to "user-pool",
                 Keys.userPoolClientId to "user-pool-client",
                 Keys.identityPoolId to "identity-pool",
@@ -106,7 +105,6 @@ class AmplifyOutputsDataTest {
         outputs.auth.shouldNotBeNull()
         outputs.auth?.run {
             awsRegion shouldBe "us-east-1"
-            authenticationFlowType shouldBe AmplifyOutputsData.Auth.AuthenticationFlowType.USER_SRP_AUTH
             userPoolId shouldBe "user-pool"
             userPoolClientId shouldBe "user-pool-client"
             identityPoolId shouldBe "identity-pool"
@@ -294,7 +292,6 @@ class AmplifyOutputsDataTest {
 
         // Auth
         const val auth = "auth"
-        const val authFlowType = "authentication_flow_type"
         const val userPoolId = "user_pool_id"
         const val userPoolClientId = "user_pool_client_id"
         const val identityPoolId = "identity_pool_id"
diff --git a/testutils/src/main/java/com/amplifyframework/testutils/configuration/AmplifyOutputsDataBuilder.kt b/testutils/src/main/java/com/amplifyframework/testutils/configuration/AmplifyOutputsDataBuilder.kt
index 745423f90..9dfef712f 100644
--- a/testutils/src/main/java/com/amplifyframework/testutils/configuration/AmplifyOutputsDataBuilder.kt
+++ b/testutils/src/main/java/com/amplifyframework/testutils/configuration/AmplifyOutputsDataBuilder.kt
@@ -72,8 +72,6 @@ class AmazonPinpointBuilder : AmplifyOutputsData.Analytics.AmazonPinpoint {
 
 class AuthBuilder : AmplifyOutputsData.Auth {
     override var awsRegion: String = "us-east-1"
-    override var authenticationFlowType: AmplifyOutputsData.Auth.AuthenticationFlowType =
-        AmplifyOutputsData.Auth.AuthenticationFlowType.USER_SRP_AUTH
     override var userPoolId: String = "user-pool-id"
     override var userPoolClientId: String = "user-pool-client-id"
     override var identityPoolId: String? = null