diff --git a/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/NetworkNewsResource.kt b/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/NetworkNewsResource.kt
index 42fbfa826..89af19c99 100644
--- a/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/NetworkNewsResource.kt
+++ b/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/NetworkNewsResource.kt
@@ -17,7 +17,6 @@
 package com.google.samples.apps.nowinandroid.core.network.model
 
 import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
-import com.google.samples.apps.nowinandroid.core.network.model.util.InstantSerializer
 import kotlinx.datetime.Instant
 import kotlinx.serialization.Serializable
 
@@ -31,7 +30,6 @@ data class NetworkNewsResource(
     val content: String,
     val url: String,
     val headerImageUrl: String,
-    @Serializable(InstantSerializer::class)
     val publishDate: Instant,
     val type: String,
     val topics: List<String> = listOf(),
@@ -47,7 +45,6 @@ data class NetworkNewsResourceExpanded(
     val content: String,
     val url: String,
     val headerImageUrl: String,
-    @Serializable(InstantSerializer::class)
     val publishDate: Instant,
     val type: String,
     val topics: List<NetworkTopic> = listOf(),
diff --git a/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/util/InstantSerializer.kt b/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/util/InstantSerializer.kt
deleted file mode 100644
index dec73dc10..000000000
--- a/core/network/src/main/java/com/google/samples/apps/nowinandroid/core/network/model/util/InstantSerializer.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright 2022 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.samples.apps.nowinandroid.core.network.model.util
-
-import kotlinx.datetime.Instant
-import kotlinx.datetime.toInstant
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.descriptors.PrimitiveKind.STRING
-import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
-import kotlinx.serialization.descriptors.SerialDescriptor
-import kotlinx.serialization.encoding.Decoder
-import kotlinx.serialization.encoding.Encoder
-
-object InstantSerializer : KSerializer<Instant> {
-    override fun deserialize(decoder: Decoder): Instant =
-        decoder.decodeString().toInstant()
-
-    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor(
-        serialName = "Instant",
-        kind = STRING,
-    )
-
-    override fun serialize(encoder: Encoder, value: Instant) =
-        encoder.encodeString(value.toString())
-}