diff --git a/core/domain/build.gradle.kts b/core/domain/build.gradle.kts
index db86380d1..06b3fc186 100644
--- a/core/domain/build.gradle.kts
+++ b/core/domain/build.gradle.kts
@@ -15,9 +15,8 @@
  */
 plugins {
     alias(libs.plugins.nowinandroid.kmp.library)
-    alias(libs.plugins.nowinandroid.kotlin.inject)
+    alias(libs.plugins.nowinandroid.di.koin)
     alias(libs.plugins.nowinandroid.android.library.jacoco)
-    id("com.google.devtools.ksp")
 }
 
 android {
diff --git a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetFollowableTopicsUseCase.kt b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetFollowableTopicsUseCase.kt
index 37200d204..c233132c2 100644
--- a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetFollowableTopicsUseCase.kt
+++ b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetFollowableTopicsUseCase.kt
@@ -23,10 +23,12 @@ import com.google.samples.apps.nowinandroid.core.domain.TopicSortField.NONE
 import com.google.samples.apps.nowinandroid.core.model.data.FollowableTopic
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
+import org.koin.core.annotation.Factory
 
 /**
  * A use case which obtains a list of topics with their followed state.
  */
+@Factory
 class GetFollowableTopicsUseCase(
     private val topicsRepository: TopicsRepository,
     private val userDataRepository: UserDataRepository,
diff --git a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetRecentSearchQueriesUseCase.kt b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetRecentSearchQueriesUseCase.kt
index 892bf6737..d9561a02d 100644
--- a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetRecentSearchQueriesUseCase.kt
+++ b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetRecentSearchQueriesUseCase.kt
@@ -19,12 +19,12 @@ package com.google.samples.apps.nowinandroid.core.domain
 import com.google.samples.apps.nowinandroid.core.data.model.RecentSearchQuery
 import com.google.samples.apps.nowinandroid.core.data.repository.RecentSearchRepository
 import kotlinx.coroutines.flow.Flow
-import me.tatarka.inject.annotations.Inject
+import org.koin.core.annotation.Factory
 
 /**
  * A use case which returns the recent search queries.
  */
-@Inject
+@Factory
 class GetRecentSearchQueriesUseCase(
     private val recentSearchRepository: RecentSearchRepository,
 ) {
diff --git a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetSearchContentsUseCase.kt b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetSearchContentsUseCase.kt
index a06984f61..4da614779 100644
--- a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetSearchContentsUseCase.kt
+++ b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/GetSearchContentsUseCase.kt
@@ -25,12 +25,12 @@ import com.google.samples.apps.nowinandroid.core.model.data.UserNewsResource
 import com.google.samples.apps.nowinandroid.core.model.data.UserSearchResult
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
-import me.tatarka.inject.annotations.Inject
+import org.koin.core.annotation.Factory
 
 /**
  * A use case which returns the searched contents matched with the search query.
  */
-@Inject
+@Factory
 class GetSearchContentsUseCase(
     private val searchContentsRepository: SearchContentsRepository,
     private val userDataRepository: UserDataRepository,
diff --git a/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/di/DomainModule.kt b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/di/DomainModule.kt
new file mode 100644
index 000000000..043cbf7ca
--- /dev/null
+++ b/core/domain/src/commonMain/kotlin/com/google/samples/apps/nowinandroid/core/domain/di/DomainModule.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2024 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.domain.di
+
+import org.koin.core.annotation.ComponentScan
+import org.koin.core.annotation.Module
+import org.koin.ksp.generated.module
+
+val domainModule = listOf(
+    DomainModule().module
+)
+@Module
+@ComponentScan
+class DomainModule