diff --git a/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/Month.kt b/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/Month.kt
deleted file mode 100644
index 3ad47091..00000000
--- a/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/Month.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-package net.dankito.utils.multiplatform
-
-
-enum class Month(val month: Int) {
-
-    January(1),
-
-    February(2),
-
-    March(3),
-
-    April(4),
-
-    May(5),
-
-    June(6),
-
-    July(7),
-
-    August(8),
-
-    September(9),
-
-    October(10),
-
-    November(11),
-
-    December(12);
-
-
-    companion object {
-
-        fun fromInt(monthInt: Int): Month {
-            return Month.values().first { it.month == monthInt }
-        }
-
-    }
-
-}
\ No newline at end of file
diff --git a/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/ObjectReference.kt b/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/ObjectReference.kt
deleted file mode 100644
index d0d41352..00000000
--- a/multiplatform-utils/src/commonMain/kotlin/net/dankito/utils/multiplatform/ObjectReference.kt
+++ /dev/null
@@ -1,21 +0,0 @@
-package net.dankito.utils.multiplatform
-
-
-open class ObjectReference<T>(
-    value: T?,
-    open val valueChangedListener: ((T?) -> Unit)? = null
-) {
-
-    open var value: T? = value
-        set(value) {
-            field = value
-
-            valueChangedListener?.invoke(value)
-        }
-
-
-    override fun toString(): String {
-        return "$value"
-    }
-
-}
\ No newline at end of file
diff --git a/multiplatform-utils/src/iosMain/kotlin/Freezer/Freezer.kt b/multiplatform-utils/src/iosMain/kotlin/Freezer/Freezer.kt
deleted file mode 100644
index a4bc8db6..00000000
--- a/multiplatform-utils/src/iosMain/kotlin/Freezer/Freezer.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package Freezer
-
-import kotlin.native.concurrent.freeze
-
-
-fun <T> freeze(obj: T): T {
-    return obj.freeze()
-}
\ No newline at end of file