diff --git a/src/main/kotlin/com/marvinelsen/willow/Model.kt b/src/main/kotlin/com/marvinelsen/willow/Model.kt
index a8e4fa2..d483ea5 100644
--- a/src/main/kotlin/com/marvinelsen/willow/Model.kt
+++ b/src/main/kotlin/com/marvinelsen/willow/Model.kt
@@ -1,28 +1,25 @@
 package com.marvinelsen.willow
 
 import com.marvinelsen.willow.domain.SearchMode
+import com.marvinelsen.willow.domain.SqliteDictionary
 import com.marvinelsen.willow.ui.DictionaryEntryFx
 import com.marvinelsen.willow.ui.SentenceFx
-import com.marvinelsen.willow.ui.services.FindCharacterService
-import com.marvinelsen.willow.ui.services.FindSentencesService
-import com.marvinelsen.willow.ui.services.FindWordsBeginningService
-import com.marvinelsen.willow.ui.services.FindWordsContainingService
-import com.marvinelsen.willow.ui.services.SearchService
+import com.marvinelsen.willow.ui.toDomain
+import com.marvinelsen.willow.ui.toFx
 import com.marvinelsen.willow.ui.util.ClipboardHelper
+import javafx.beans.property.BooleanProperty
 import javafx.beans.property.ObjectProperty
 import javafx.beans.property.ReadOnlyBooleanProperty
 import javafx.beans.property.ReadOnlyObjectProperty
+import javafx.beans.property.SimpleBooleanProperty
 import javafx.beans.property.SimpleObjectProperty
 import javafx.collections.FXCollections
 import javafx.collections.ObservableList
-import javafx.event.EventHandler
+import kotlinx.coroutines.MainScope
+import kotlinx.coroutines.launch
 
 class Model(
-    private val searchService: SearchService,
-    private val findWordsBeginningService: FindWordsBeginningService,
-    private val findWordsContainingService: FindWordsContainingService,
-    private val findCharacterService: FindCharacterService,
-    private val findSentencesService: FindSentencesService,
+    private val dictionary: SqliteDictionary,
 ) {
     private val internalSelectedEntry: ObjectProperty<DictionaryEntryFx> = SimpleObjectProperty()
     private val internalSearchResults: ObservableList<DictionaryEntryFx> = FXCollections.observableArrayList()
@@ -31,6 +28,12 @@ class Model(
     private val internalCharacters: ObservableList<DictionaryEntryFx> = FXCollections.observableArrayList()
     private val internalSentences: ObservableList<SentenceFx> = FXCollections.observableArrayList()
 
+    private val internalIsSearching: BooleanProperty = SimpleBooleanProperty(false)
+    private val internalIsFindingWordsBeginning: BooleanProperty = SimpleBooleanProperty(false)
+    private val internalIsFindingWordsContaining: BooleanProperty = SimpleBooleanProperty(false)
+    private val internalIsFindingCharacters: BooleanProperty = SimpleBooleanProperty(false)
+    private val internalIsFindingSentences: BooleanProperty = SimpleBooleanProperty(false)
+
     val selectedEntry: ReadOnlyObjectProperty<DictionaryEntryFx> = internalSelectedEntry
 
     val searchResults: ObservableList<DictionaryEntryFx> =
@@ -44,54 +47,68 @@ class Model(
     val sentences: ObservableList<SentenceFx> =
         FXCollections.unmodifiableObservableList(internalSentences)
 
-    val isSearching: ReadOnlyBooleanProperty = searchService.runningProperty()
-    val isFindingWordsBeginning: ReadOnlyBooleanProperty = findWordsBeginningService.runningProperty()
-    val isFindingWordsContaining: ReadOnlyBooleanProperty = findWordsContainingService.runningProperty()
-    val isFindingCharacters: ReadOnlyBooleanProperty = findCharacterService.runningProperty()
-    val isFindingSentences: ReadOnlyBooleanProperty = findSentencesService.runningProperty()
+    val isSearching: ReadOnlyBooleanProperty = internalIsSearching
+    val isFindingWordsBeginning: ReadOnlyBooleanProperty = internalIsFindingWordsBeginning
+    val isFindingWordsContaining: ReadOnlyBooleanProperty = internalIsFindingWordsContaining
+    val isFindingCharacters: ReadOnlyBooleanProperty = internalIsFindingCharacters
+    val isFindingSentences: ReadOnlyBooleanProperty = internalIsFindingSentences
 
-    init {
-        searchService.onSucceeded = EventHandler {
-            internalSearchResults.setAll(searchService.value)
-        }
-        findWordsBeginningService.onSucceeded = EventHandler {
-            internalWordsBeginning.setAll(findWordsBeginningService.value)
-        }
-        findWordsContainingService.onSucceeded = EventHandler {
-            internalWordsContaining.setAll(findWordsContainingService.value)
-        }
-        findCharacterService.onSucceeded = EventHandler {
-            internalCharacters.setAll(findCharacterService.value)
-        }
-        findSentencesService.onSucceeded = EventHandler {
-            internalSentences.setAll(findSentencesService.value)
-        }
-    }
+    private val coroutineScope = MainScope()
 
     fun search(query: String, searchMode: SearchMode) {
-        searchService.searchQuery = query
-        searchService.searchMode = searchMode
-        searchService.restart()
+        coroutineScope.launch {
+            internalIsSearching.value = true
+            internalSearchResults.setAll(dictionary.search(query, searchMode).map { it.toFx() })
+            internalIsSearching.value = false
+        }
     }
 
     fun findWordsBeginning() {
-        findWordsBeginningService.entry = internalSelectedEntry.value
-        findWordsBeginningService.restart()
+        coroutineScope.launch {
+            internalIsFindingWordsBeginning.value = true
+            internalWordsBeginning.setAll(
+                dictionary
+                    .findWordsBeginningWith(internalSelectedEntry.value.toDomain())
+                    .map { it.toFx() }
+            )
+            internalIsFindingWordsBeginning.value = false
+        }
     }
 
     fun findWordsContaining() {
-        findWordsContainingService.entry = internalSelectedEntry.value
-        findWordsContainingService.restart()
+        coroutineScope.launch {
+            internalIsFindingWordsContaining.value = true
+            internalWordsContaining.setAll(
+                dictionary
+                    .findWordsContaining(internalSelectedEntry.value.toDomain())
+                    .map { it.toFx() }
+            )
+            internalIsFindingWordsContaining.value = false
+        }
     }
 
     fun findCharacters() {
-        findCharacterService.entry = internalSelectedEntry.value
-        findCharacterService.restart()
+        coroutineScope.launch {
+            internalIsFindingCharacters.value = true
+            internalCharacters.setAll(
+                dictionary
+                    .findCharactersOf(internalSelectedEntry.value.toDomain())
+                    .map { it.toFx() }
+            )
+            internalIsFindingCharacters.value = false
+        }
     }
 
     fun findSentences() {
-        findSentencesService.entry = internalSelectedEntry.value
-        findSentencesService.restart()
+        coroutineScope.launch {
+            internalIsFindingSentences.value = true
+            internalSentences.setAll(
+                dictionary
+                    .findExampleSentencesFor(internalSelectedEntry.value.toDomain())
+                    .map { it.toFx() }
+            )
+            internalIsFindingSentences.value = false
+        }
     }
 
     fun selectEntry(entry: DictionaryEntryFx) {
diff --git a/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt b/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
index a9a5c18..ed60b62 100644
--- a/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
+++ b/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
@@ -7,11 +7,6 @@ import com.marvinelsen.willow.ui.controllers.MainController
 import com.marvinelsen.willow.ui.controllers.MenuController
 import com.marvinelsen.willow.ui.controllers.SearchController
 import com.marvinelsen.willow.ui.controllers.SearchResultsController
-import com.marvinelsen.willow.ui.services.FindCharacterService
-import com.marvinelsen.willow.ui.services.FindSentencesService
-import com.marvinelsen.willow.ui.services.FindWordsBeginningService
-import com.marvinelsen.willow.ui.services.FindWordsContainingService
-import com.marvinelsen.willow.ui.services.SearchService
 import javafx.application.Application
 import javafx.fxml.FXMLLoader
 import javafx.scene.Scene
@@ -45,17 +40,8 @@ class WillowApplication : Application() {
             autoCommit = false
         }
         val dictionary = SqliteDictionary(connection)
-        val searchService = SearchService(dictionary)
-        val findWordsBeginningService = FindWordsBeginningService(dictionary)
-        val findWordsContainingService = FindWordsContainingService(dictionary)
-        val findCharacterService = FindCharacterService(dictionary)
-        val findSentenceService = FindSentencesService(dictionary)
         val model = Model(
-            searchService,
-            findWordsBeginningService,
-            findWordsContainingService,
-            findCharacterService,
-            findSentenceService
+            dictionary,
         )
         val config = Config()
         config.load()
diff --git a/src/main/kotlin/com/marvinelsen/willow/domain/Dictionary.kt b/src/main/kotlin/com/marvinelsen/willow/domain/Dictionary.kt
index 16342cd..f56dc5c 100644
--- a/src/main/kotlin/com/marvinelsen/willow/domain/Dictionary.kt
+++ b/src/main/kotlin/com/marvinelsen/willow/domain/Dictionary.kt
@@ -1,12 +1,12 @@
 package com.marvinelsen.willow.domain
 
 interface Dictionary {
-    fun search(query: String, searchMode: SearchMode): List<DictionaryEntry>
+    suspend fun search(query: String, searchMode: SearchMode): List<DictionaryEntry>
 
-    fun findWordsBeginningWith(entry: DictionaryEntry): List<DictionaryEntry>
-    fun findWordsContaining(entry: DictionaryEntry): List<DictionaryEntry>
+    suspend fun findWordsBeginningWith(entry: DictionaryEntry): List<DictionaryEntry>
+    suspend fun findWordsContaining(entry: DictionaryEntry): List<DictionaryEntry>
 
-    fun findCharactersOf(entry: DictionaryEntry): List<DictionaryEntry>
+    suspend fun findCharactersOf(entry: DictionaryEntry): List<DictionaryEntry>
 
-    fun findExampleSentencesFor(entry: DictionaryEntry): List<Sentence>
+    suspend fun findExampleSentencesFor(entry: DictionaryEntry): List<Sentence>
 }
diff --git a/src/main/kotlin/com/marvinelsen/willow/domain/SqliteDictionary.kt b/src/main/kotlin/com/marvinelsen/willow/domain/SqliteDictionary.kt
index 5c3f97b..c115e37 100644
--- a/src/main/kotlin/com/marvinelsen/willow/domain/SqliteDictionary.kt
+++ b/src/main/kotlin/com/marvinelsen/willow/domain/SqliteDictionary.kt
@@ -8,14 +8,18 @@ import com.github.houbb.segment.support.segment.impl.Segments
 import com.github.houbb.segment.support.segment.mode.impl.SegmentModes
 import com.github.houbb.segment.support.segment.result.impl.SegmentResultHandlers
 import com.github.houbb.segment.support.tagging.pos.tag.impl.SegmentPosTaggings
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import java.sql.Connection
-import java.sql.PreparedStatement
 import java.sql.ResultSet
 
 class SqliteDictionary(private val connection: Connection) : Dictionary {
     private val whitespaceRegex = """\s+""".toRegex()
 
+    private val dispatcher = Dispatchers.IO
+        .limitedParallelism(1)
+
     private val segmentBs = SegmentBs.newInstance()
         .segment(Segments.defaults())
         .segmentData(SegmentPhraseDatas.define())
@@ -24,41 +28,29 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
         .posTagging(SegmentPosTaggings.simple())
         .posData(SegmentPosDatas.define())
 
-    private val searchSimplifiedPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val searchSimplifiedSql = """
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry 
             WHERE simplified GLOB ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    private val searchTraditionalPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val searchTraditionalSql = """
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry 
             WHERE traditional GLOB ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    private val searchPinyinPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val searchPinyinSql = """
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry 
             WHERE searchable_pinyin GLOB ?
             OR searchable_pinyin_with_tone_numbers GLOB ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    private val searchSegmentsRawSql = """
+    private val searchSegmentsSql = """
             WITH cte(id, segment) AS (VALUES ?)
             SELECT entry.traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry INNER JOIN cte
@@ -66,29 +58,21 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
             ORDER BY cte.id
     """.trimIndent()
 
-    private val findWordsBeginningPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val findWordsBeginningSql = """
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry
             WHERE traditional GLOB ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    private val findWordsContainingPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val findWordsContainingSql = """
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry
             WHERE traditional LIKE ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    private val findCharactersRawSql = """
+    private val findCharactersSql = """
             WITH cte(id, character, pinyin) AS (VALUES ?)
             SELECT traditional, simplified, pinyin_with_tone_marks, pinyin_with_tone_numbers, zhuyin, cedict_definitions, cross_straits_definitions, moe_definitions
             FROM entry INNER JOIN cte
@@ -97,48 +81,50 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
             ORDER BY cte.id
     """.trimIndent()
 
-    private val findExampleSentencesPreparedStatement: PreparedStatement by lazy {
-        connection.prepareStatement(
-            """
+    private val findExampleSentenceSql = """
             SELECT traditional, simplified
             FROM sentence
             WHERE traditional LIKE ?
             ORDER BY character_count ASC
-            """.trimIndent()
-        )
-    }
+    """.trimIndent()
 
-    override fun search(query: String, searchMode: SearchMode) = when (searchMode) {
-        SearchMode.SIMPLIFIED -> searchSimplified(query)
-        SearchMode.TRADITIONAL -> searchTraditional(query)
-        SearchMode.PINYIN -> searchPinyin(query)
-        SearchMode.SEGMENTS -> searchSegmentsOf(query)
-    }
-
-    private fun searchSimplified(simplified: String): List<DictionaryEntry> {
-        searchSimplifiedPreparedStatement.setString(1, "$simplified*")
-
-        return searchSimplifiedPreparedStatement.executeQuery().use {
-            it.toListOfDictionaryEntries()
+    override suspend fun search(query: String, searchMode: SearchMode) = withContext(dispatcher) {
+        when (searchMode) {
+            SearchMode.SIMPLIFIED -> searchSimplified(query)
+            SearchMode.TRADITIONAL -> searchTraditional(query)
+            SearchMode.PINYIN -> searchPinyin(query)
+            SearchMode.SEGMENTS -> searchSegmentsOf(query)
         }
     }
 
-    private fun searchTraditional(traditional: String): List<DictionaryEntry> {
-        searchTraditionalPreparedStatement.setString(1, "$traditional*")
+    private fun searchSimplified(simplified: String) =
+        connection.prepareStatement(searchSimplifiedSql).use { preparedStatement ->
+            preparedStatement.setString(1, "$simplified*")
 
-        return searchTraditionalPreparedStatement.executeQuery().use {
-            it.toListOfDictionaryEntries()
+            preparedStatement.executeQuery().use {
+                it.toListOfDictionaryEntries()
+            }
+        }
+
+    private fun searchTraditional(traditional: String) =
+        connection.prepareStatement(searchTraditionalSql).use { preparedStatement ->
+            preparedStatement.setString(1, "$traditional*")
+
+            preparedStatement.executeQuery().use {
+                it.toListOfDictionaryEntries()
+            }
         }
-    }
 
     private fun searchPinyin(pinyin: String): List<DictionaryEntry> {
         val sanitizedPinyin = pinyin.lowercase().replace(whitespaceRegex, "")
 
-        searchPinyinPreparedStatement.setString(1, "$sanitizedPinyin*")
-        searchPinyinPreparedStatement.setString(2, "$sanitizedPinyin*")
+        return connection.prepareStatement(searchPinyinSql).use { preparedStatement ->
+            preparedStatement.setString(1, "$sanitizedPinyin*")
+            preparedStatement.setString(2, "$sanitizedPinyin*")
 
-        return searchPinyinPreparedStatement.executeQuery().use { resultSet ->
-            resultSet.toListOfDictionaryEntries()
+            preparedStatement.executeQuery().use { resultSet ->
+                resultSet.toListOfDictionaryEntries()
+            }
         }
     }
 
@@ -149,7 +135,7 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
             .mapIndexed { index, segment -> "($index, '$segment')" }
             .joinToString(",")
 
-        val query = searchSegmentsRawSql.replace("?", segmentsListString)
+        val query = searchSegmentsSql.replace("?", segmentsListString)
 
         return connection.createStatement().use { statement ->
             statement.executeQuery(query).use { resultSet ->
@@ -158,23 +144,27 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
         }
     }
 
-    override fun findWordsContaining(entry: DictionaryEntry): List<DictionaryEntry> {
-        findWordsContainingPreparedStatement.setString(1, "_%${entry.traditional}%")
+    override suspend fun findWordsContaining(entry: DictionaryEntry) = withContext(dispatcher) {
+        connection.prepareStatement(findWordsContainingSql).use { preparedStatement ->
+            preparedStatement.setString(1, "_%${entry.traditional}%")
 
-        return findWordsContainingPreparedStatement.executeQuery().use { resultSet ->
-            resultSet.toListOfDictionaryEntries()
+            preparedStatement.executeQuery().use { resultSet ->
+                resultSet.toListOfDictionaryEntries()
+            }
         }
     }
 
-    override fun findWordsBeginningWith(entry: DictionaryEntry): List<DictionaryEntry> {
-        findWordsBeginningPreparedStatement.setString(1, "${entry.traditional}?*")
+    override suspend fun findWordsBeginningWith(entry: DictionaryEntry) = withContext(dispatcher) {
+        connection.prepareStatement(findWordsBeginningSql).use { preparedStatement ->
+            preparedStatement.setString(1, "${entry.traditional}?*")
 
-        return findWordsBeginningPreparedStatement.executeQuery().use { resultSet ->
-            resultSet.toListOfDictionaryEntries()
+            preparedStatement.executeQuery().use { resultSet ->
+                resultSet.toListOfDictionaryEntries()
+            }
         }
     }
 
-    override fun findCharactersOf(entry: DictionaryEntry): List<DictionaryEntry> {
+    override suspend fun findCharactersOf(entry: DictionaryEntry) = withContext(dispatcher) {
         val pinyinSyllablesWithToneNumbers = entry.pinyinWithToneNumbers
             .lowercase()
             .split(" ")
@@ -192,20 +182,22 @@ class SqliteDictionary(private val connection: Connection) : Dictionary {
             .mapIndexed { index, s -> "($index, '${s.first}', '${s.second}')" }
             .joinToString(",")
 
-        val query = findCharactersRawSql.replace("?", queryInput)
+        val query = findCharactersSql.replace("?", queryInput)
 
-        return connection.createStatement().use { statement ->
+        connection.createStatement().use { statement ->
             statement.executeQuery(query).use { resultSet ->
                 resultSet.toListOfDictionaryEntries()
             }
         }
     }
 
-    override fun findExampleSentencesFor(entry: DictionaryEntry): List<Sentence> {
-        findExampleSentencesPreparedStatement.setString(1, "_%${entry.traditional}%")
+    override suspend fun findExampleSentencesFor(entry: DictionaryEntry) = withContext(dispatcher) {
+        connection.prepareStatement(findExampleSentenceSql).use { preparedStatement ->
+            preparedStatement.setString(1, "_%${entry.traditional}%")
 
-        return findExampleSentencesPreparedStatement.executeQuery().use { resultSet ->
-            resultSet.toListOfSentences()
+            preparedStatement.executeQuery().use { resultSet ->
+                resultSet.toListOfSentences()
+            }
         }
     }
 }
diff --git a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindCharacterService.kt b/src/main/kotlin/com/marvinelsen/willow/ui/services/FindCharacterService.kt
deleted file mode 100644
index bfde52b..0000000
--- a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindCharacterService.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.marvinelsen.willow.ui.services
-
-import com.marvinelsen.willow.domain.Dictionary
-import com.marvinelsen.willow.ui.DictionaryEntryFx
-import com.marvinelsen.willow.ui.toDomain
-import com.marvinelsen.willow.ui.toFx
-import com.marvinelsen.willow.ui.util.task
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import javafx.concurrent.Service
-
-class FindCharacterService(private val dictionary: Dictionary) : Service<ObservableList<DictionaryEntryFx>>() {
-    lateinit var entry: DictionaryEntryFx
-
-    override fun createTask() = task {
-        if (!this::entry.isInitialized) error("Entry is not initialized")
-
-        FXCollections.observableList(dictionary.findCharactersOf(entry.toDomain()).map { it.toFx() })
-    }
-}
diff --git a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindSentencesService.kt b/src/main/kotlin/com/marvinelsen/willow/ui/services/FindSentencesService.kt
deleted file mode 100644
index e2f7812..0000000
--- a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindSentencesService.kt
+++ /dev/null
@@ -1,21 +0,0 @@
-package com.marvinelsen.willow.ui.services
-
-import com.marvinelsen.willow.domain.Dictionary
-import com.marvinelsen.willow.ui.DictionaryEntryFx
-import com.marvinelsen.willow.ui.SentenceFx
-import com.marvinelsen.willow.ui.toDomain
-import com.marvinelsen.willow.ui.toFx
-import com.marvinelsen.willow.ui.util.task
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import javafx.concurrent.Service
-
-class FindSentencesService(private val dictionary: Dictionary) : Service<ObservableList<SentenceFx>>() {
-    lateinit var entry: DictionaryEntryFx
-
-    override fun createTask() = task {
-        if (!this::entry.isInitialized) error("Entry is not initialized")
-
-        FXCollections.observableList(dictionary.findExampleSentencesFor(entry.toDomain()).map { it.toFx() })
-    }
-}
diff --git a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsBeginningService.kt b/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsBeginningService.kt
deleted file mode 100644
index 0f25f23..0000000
--- a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsBeginningService.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.marvinelsen.willow.ui.services
-
-import com.marvinelsen.willow.domain.Dictionary
-import com.marvinelsen.willow.ui.DictionaryEntryFx
-import com.marvinelsen.willow.ui.toDomain
-import com.marvinelsen.willow.ui.toFx
-import com.marvinelsen.willow.ui.util.task
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import javafx.concurrent.Service
-
-class FindWordsBeginningService(private val dictionary: Dictionary) : Service<ObservableList<DictionaryEntryFx>>() {
-    lateinit var entry: DictionaryEntryFx
-
-    override fun createTask() = task {
-        if (!this::entry.isInitialized) error("Entry is not initialized")
-
-        FXCollections.observableList(dictionary.findWordsBeginningWith(entry.toDomain()).map { it.toFx() })
-    }
-}
diff --git a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsContainingService.kt b/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsContainingService.kt
deleted file mode 100644
index a80e8fe..0000000
--- a/src/main/kotlin/com/marvinelsen/willow/ui/services/FindWordsContainingService.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.marvinelsen.willow.ui.services
-
-import com.marvinelsen.willow.domain.Dictionary
-import com.marvinelsen.willow.ui.DictionaryEntryFx
-import com.marvinelsen.willow.ui.toDomain
-import com.marvinelsen.willow.ui.toFx
-import com.marvinelsen.willow.ui.util.task
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import javafx.concurrent.Service
-
-class FindWordsContainingService(private val dictionary: Dictionary) : Service<ObservableList<DictionaryEntryFx>>() {
-    lateinit var entry: DictionaryEntryFx
-
-    override fun createTask() = task {
-        if (!this::entry.isInitialized) error("Entry is not initialized")
-
-        FXCollections.observableList(dictionary.findWordsContaining(entry.toDomain()).map { it.toFx() })
-    }
-}
diff --git a/src/main/kotlin/com/marvinelsen/willow/ui/services/SearchService.kt b/src/main/kotlin/com/marvinelsen/willow/ui/services/SearchService.kt
deleted file mode 100644
index dbc3166..0000000
--- a/src/main/kotlin/com/marvinelsen/willow/ui/services/SearchService.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.marvinelsen.willow.ui.services
-
-import com.marvinelsen.willow.domain.Dictionary
-import com.marvinelsen.willow.domain.SearchMode
-import com.marvinelsen.willow.ui.DictionaryEntryFx
-import com.marvinelsen.willow.ui.toFx
-import com.marvinelsen.willow.ui.util.task
-import javafx.collections.FXCollections
-import javafx.collections.ObservableList
-import javafx.concurrent.Service
-
-class SearchService(private val dictionary: Dictionary) : Service<ObservableList<DictionaryEntryFx>>() {
-    lateinit var searchQuery: String
-    lateinit var searchMode: SearchMode
-
-    override fun createTask() = task {
-        if (!this::searchQuery.isInitialized) error("Search query is not initialized")
-        if (!this::searchMode.isInitialized) error("Search mode is not initialized")
-
-        FXCollections.observableList(dictionary.search(searchQuery, searchMode).map { it.toFx() })
-    }
-}