diff --git a/ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingModule.kt b/ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingModule.kt
index 1e336c9c..db6ae8d6 100644
--- a/ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingModule.kt
+++ b/ui/BankingAndroidApp/src/main/java/net/dankito/banking/ui/android/di/BankingModule.kt
@@ -167,12 +167,6 @@ class BankingModule(private val applicationContext: Context) {
         return JacksonJsonSerializer()
     }
 
-    @Provides
-    @Singleton
-    fun provideBase64Service() : IBase64Service {
-        return Base64ServiceAndroid()
-    }
-
     @Provides
     @Singleton
     fun provideAsyncRunner() : IAsyncRunner {
diff --git a/ui/BankingJavaFxControls/src/main/kotlin/net/dankito/banking/ui/javafx/util/Base64ServiceJava8.kt b/ui/BankingJavaFxControls/src/main/kotlin/net/dankito/banking/ui/javafx/util/Base64ServiceJava8.kt
deleted file mode 100644
index 78b39896..00000000
--- a/ui/BankingJavaFxControls/src/main/kotlin/net/dankito/banking/ui/javafx/util/Base64ServiceJava8.kt
+++ /dev/null
@@ -1,21 +0,0 @@
-package net.dankito.banking.ui.javafx.util
-
-import net.dankito.banking.util.IBase64Service
-import java.nio.charset.Charset
-import java.util.*
-
-
-// TODO: use version from JavaFxUtils
-open class Base64ServiceJava8 : IBase64Service {
-
-    override fun encode(text: String, charset: Charset): String {
-        return Base64.getEncoder().encodeToString(text.toByteArray(charset))
-    }
-
-    override fun decode(base64: String, charset: Charset): String {
-        val decodedBytes = Base64.getDecoder().decode(base64)
-
-        return String(decodedBytes, charset)
-    }
-
-}
\ No newline at end of file
diff --git a/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/IBase64Service.kt b/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/IBase64Service.kt
deleted file mode 100644
index 1f01c7e8..00000000
--- a/ui/BankingUiCommon/src/main/java/net/dankito/banking/util/IBase64Service.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package net.dankito.banking.util
-
-import java.nio.charset.Charset
-
-
-interface IBase64Service {
-
-    fun encode(text: String, charset: Charset): String
-
-    fun decode(base64: String, charset: Charset): String
-
-}
\ No newline at end of file
diff --git a/ui/fints4kBankingClient/src/main/kotlin/net/dankito/banking/util/UiCommonBase64ServiceWrapper.kt b/ui/fints4kBankingClient/src/main/kotlin/net/dankito/banking/util/UiCommonBase64ServiceWrapper.kt
deleted file mode 100644
index 671ad22a..00000000
--- a/ui/fints4kBankingClient/src/main/kotlin/net/dankito/banking/util/UiCommonBase64ServiceWrapper.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-package net.dankito.banking.util
-
-import java.nio.charset.Charset
-
-
-open class UiCommonBase64ServiceWrapper(protected val base64Service: IBase64Service) : net.dankito.banking.fints.util.IBase64Service {
-
-    override fun encode(text: String, charset: Charset): String {
-        return base64Service.encode(text, charset)
-    }
-
-    override fun decode(base64: String, charset: Charset): String {
-        return base64Service.decode(base64, charset)
-    }
-
-}
\ No newline at end of file