diff --git a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateExtensions.kt b/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateExtensions.kt
deleted file mode 100644
index d547cbc7..00000000
--- a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateExtensions.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package net.codinux.banking.client.model.extensions
-
-import kotlinx.datetime.*
-import kotlin.js.JsName
-
-val UnixEpochStart: LocalDate = LocalDate.parse("1970-01-01")
-
-
-fun LocalDate.Companion.todayAtSystemDefaultTimeZone(): LocalDate {
-  return nowAt(TimeZone.currentSystemDefault())
-}
-
-fun LocalDate.Companion.todayAtEuropeBerlin(): LocalDate {
-  return nowAt(TimeZone.europeBerlin)
-}
-
-@JsName("nowAtForDate")
-fun LocalDate.Companion.nowAt(timeZone: TimeZone): LocalDate {
-  return Clock.System.todayIn(timeZone)
-}
-
-
-fun LocalDate.minusDays(days: Int): LocalDate {
-  return this.minus(days, DateTimeUnit.DAY)
-}
\ No newline at end of file
diff --git a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateTimeExtensions.kt b/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateTimeExtensions.kt
deleted file mode 100644
index b5d0d1a2..00000000
--- a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/LocalDateTimeExtensions.kt
+++ /dev/null
@@ -1,16 +0,0 @@
-package net.codinux.banking.client.model.extensions
-
-import kotlinx.datetime.*
-
-
-fun LocalDateTime.Companion.nowAtUtc(): LocalDateTime {
-  return nowAt(TimeZone.UTC)
-}
-
-fun LocalDateTime.Companion.nowAtEuropeBerlin(): LocalDateTime {
-  return nowAt(TimeZone.europeBerlin)
-}
-
-fun LocalDateTime.Companion.nowAt(timeZone: TimeZone): LocalDateTime {
-  return Clock.System.now().toLocalDateTime(timeZone)
-}
\ No newline at end of file
diff --git a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/TimeZoneExtensions.kt b/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/TimeZoneExtensions.kt
deleted file mode 100644
index 1da04e33..00000000
--- a/BankingClientModel/src/commonMain/kotlin/net/codinux/banking/client/model/extensions/TimeZoneExtensions.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package net.codinux.banking.client.model.extensions
-
-import kotlinx.datetime.TimeZone
-
-
-val TimeZone.Companion.europeBerlin: TimeZone
- get() = TimeZone.of("Europe/Berlin")
\ No newline at end of file