diff --git a/src/main/kotlin/com/amazon/ionelement/api/IonUtils.kt b/src/main/kotlin/com/amazon/ionelement/api/IonUtils.kt
index 3b36d94..81a101a 100644
--- a/src/main/kotlin/com/amazon/ionelement/api/IonUtils.kt
+++ b/src/main/kotlin/com/amazon/ionelement/api/IonUtils.kt
@@ -42,6 +42,8 @@ public fun IonElement.toIonValue(factory: ValueFactory): IonValue {
  * Bridge function that converts from the mutable [IonValue] to an [AnyElement].
  *
  * New code that does not need to integrate with uses of the mutable DOM should not use this.
+ *
+ * This will fail for IonDatagram if the IonDatagram does not contain exactly one user value.
  */
 public fun IonValue.toIonElement(): AnyElement =
     this.system.newReader(this).use { reader ->
diff --git a/src/main/kotlin/com/amazon/ionelement/impl/IonElementLoaderImpl.kt b/src/main/kotlin/com/amazon/ionelement/impl/IonElementLoaderImpl.kt
index e45e1f0..e19ae34 100644
--- a/src/main/kotlin/com/amazon/ionelement/impl/IonElementLoaderImpl.kt
+++ b/src/main/kotlin/com/amazon/ionelement/impl/IonElementLoaderImpl.kt
@@ -101,7 +101,6 @@ internal class IonElementLoaderImpl(private val options: IonElementLoaderOptions
         return handleReaderException(ionReader) { loadCurrentElementRecursively(ionReader) }
     }
 
-
     private fun loadCurrentElementRecursively(ionReader: IonReader): AnyElement {
         val valueType = requireNotNull(ionReader.type) { "The IonReader was not positioned at an element." }
 
diff --git a/src/main/kotlin/com/amazon/ionelement/impl/collections/extensions.kt b/src/main/kotlin/com/amazon/ionelement/impl/collections/extensions.kt
index 829bad5..dc73c60 100644
--- a/src/main/kotlin/com/amazon/ionelement/impl/collections/extensions.kt
+++ b/src/main/kotlin/com/amazon/ionelement/impl/collections/extensions.kt
@@ -75,15 +75,6 @@ internal fun <E> List<E>.toImmutableListUnsafe(): ImmutableList<E> {
     return ImmutableListAdapter(this)
 }
 
-/**
- * Creates a [ImmutableList] for [this] without making a defensive copy.
- * Only call this method if you are sure that [this] cannot leak anywhere it could be mutated.
- */
-internal fun <E> List<E>.toImmutableListUnsafeAllowModification(): ImmutableList<E> {
-    if (this is ImmutableList<E>) return this
-    return ImmutableListAdapter(this)
-}
-
 /**
  * Creates a [ImmutableList] for [this] without making a defensive copy.
  * Only call this method if you are sure that [this] cannot leak anywhere it could be mutated.
@@ -94,85 +85,3 @@ internal fun <E> Array<E>.toImmutableListUnsafe(): ImmutableList<E> {
     // even further but using only a single wrapper layer, if we created such a thing.
     return ImmutableListAdapter(asList())
 }
-
-
-internal interface SometimesMutableList<E> {
-    fun add(element: E): Boolean
-    fun seal(): ImmutableList<E>
-}
-
-internal class SometimesMutableListImpl<E> private constructor(
-    private val impl: MutableList<E>
-) : SometimesMutableList<E>, ImmutableList<E>, List<E> by impl {
-    constructor(): this(mutableListOf())
-
-    private var isClosed = false
-
-    override fun add(element: E): Boolean {
-        if (isClosed) throw UnsupportedOperationException("Attempting to add $element")
-        impl.add(element)
-        return true
-    }
-
-    override fun seal(): ImmutableList<E> {
-        // check(!isClosed) { "Trying to seal an already sealed list" }
-        isClosed = true
-        return this
-    }
-
-    override fun subList(fromIndex: Int, toIndex: Int): ImmutableList<E> = ImmutableListAdapter(impl.subList(fromIndex, toIndex))
-
-    override fun equals(other: Any?): Boolean = impl.equals(other)
-    override fun hashCode(): Int = impl.hashCode()
-    override fun toString(): String = impl.toString()
-}
-
-internal class SealableList<E> : SometimesMutableList<E>, ImmutableList<E>, ArrayList<E>() {
-
-    private var isClosed = false
-
-    override fun add(element: E): Boolean {
-        if (isClosed) throw UnsupportedOperationException()
-        super.add(element)
-        return true
-    }
-
-    override fun seal(): ImmutableList<E> {
-        isClosed = true
-        return this
-    }
-
-    override fun subList(fromIndex: Int, toIndex: Int): Nothing {
-        TODO("Not supported due to conflicting interfaces")
-    }
-
-    // override fun subList(fromIndex: Int, toIndex: Int): List<E> = ImmutableListAdapter(subList(fromIndex, toIndex))
-}
-
-internal class SealableList2<E> : SometimesMutableList<E>, ArrayList<E>() {
-
-    private var isClosed = false
-
-    override fun add(element: E): Boolean {
-        if (isClosed) throw UnsupportedOperationException()
-        super.add(element)
-        return true
-    }
-
-    override fun seal(): ImmutableList<E> {
-        isClosed = true
-        return Immutable()
-    }
-
-    fun immutable(): ImmutableList<E> = Immutable()
-
-    override fun subList(fromIndex: Int, toIndex: Int): Nothing {
-        TODO("Not supported due to conflicting interfaces")
-    }
-
-    internal inner class Immutable: ImmutableList<E>, List<E> by this {
-        override fun subList(fromIndex: Int, toIndex: Int): ImmutableList<E> = ImmutableListAdapter(subList(fromIndex, toIndex))
-    }
-
-    // override fun subList(fromIndex: Int, toIndex: Int): List<E> = ImmutableListAdapter(subList(fromIndex, toIndex))
-}
diff --git a/src/test/kotlin/com/amazon/ionelement/IonElementLoaderTests.kt b/src/test/kotlin/com/amazon/ionelement/IonElementLoaderTests.kt
index e69b25c..ef2ffb9 100644
--- a/src/test/kotlin/com/amazon/ionelement/IonElementLoaderTests.kt
+++ b/src/test/kotlin/com/amazon/ionelement/IonElementLoaderTests.kt
@@ -50,24 +50,6 @@ class IonElementLoaderTests {
         assertEquals(tc.expectedElement, parsedIonElement)
     }
 
-    @Test
-    fun kotlinIddiomaticTest() {
-
-
-        val parsedIonValue = ION.loader.load("[null.struct, false]")
-        val parsedIonElement = loadAllElements("[null.struct, false]", INCLUDE_LOCATION_META)
-
-        // Text generated from both should match
-        // assertEquals(convertToString(parsedIonValue), parsedIonElement.toString())
-
-        // Converting from IonElement to IonValue results in an IonValue that is equivalent to the parsed IonValue
-        assertEquals(parsedIonElement.map { it.toIonValue(ION) }, parsedIonValue.toList())
-
-        // Converting from IonValue to IonElement should result in an IonElement that is equivalent to the
-        // parsed IonElement
-        // assertEquals(parsedIonValue.toIonElement(), parsedIonElement)
-    }
-
     companion object {
         @JvmStatic
         @Suppress("unused")