diff --git a/compiler/frontend/src/jet/Iterators.jet b/compiler/frontend/src/jet/Iterators.jet
index a8623e457f7..36145d6ce27 100644
--- a/compiler/frontend/src/jet/Iterators.jet
+++ b/compiler/frontend/src/jet/Iterators.jet
@@ -59,22 +59,6 @@ abstract open public class BooleanIterator() : Iterator<Boolean> {
 
 public fun <T> Iterator<T>.iterator() : Iterator<T>
 
-public fun ByteIterator.iterator() : ByteIterator
-
-public fun ShortIterator.iterator() : ShortIterator
-
-public fun CharIterator.iterator() : CharIterator
-
-public fun IntIterator.iterator() : IntIterator
-
-public fun BooleanIterator.iterator() : BooleanIterator
-
-public fun DoubleIterator.iterator() : DoubleIterator
-
-public fun FloatIterator.iterator() : FloatIterator
-
-public fun LongIterator.iterator() : LongIterator
-
 public trait ListIterator<out T> : Iterator<T> {
     // Query Operations
     override fun hasNext() : Boolean
diff --git a/compiler/testData/builtin-classes.txt b/compiler/testData/builtin-classes.txt
index 72d10158863..41e9f3c1cb2 100644
--- a/compiler/testData/builtin-classes.txt
+++ b/compiler/testData/builtin-classes.txt
@@ -4,15 +4,7 @@ public fun </*0*/ T> arrayOfNulls(/*0*/ size : jet.Int) : jet.Array<T?>
 public fun </*0*/ R> synchronized(/*0*/ lock : jet.Any, /*1*/ block : () -> R) : R
 public fun jet.Any?.equals(/*0*/ other : jet.Any?) : jet.Boolean
 public fun jet.Any?.identityEquals(/*0*/ other : jet.Any?) : jet.Boolean
-public fun jet.BooleanIterator.iterator() : jet.BooleanIterator
-public fun jet.ByteIterator.iterator() : jet.ByteIterator
-public fun jet.CharIterator.iterator() : jet.CharIterator
-public fun jet.DoubleIterator.iterator() : jet.DoubleIterator
-public fun jet.FloatIterator.iterator() : jet.FloatIterator
-public fun jet.IntIterator.iterator() : jet.IntIterator
 public fun </*0*/ T> jet.Iterator<T>.iterator() : jet.Iterator<T>
-public fun jet.LongIterator.iterator() : jet.LongIterator
-public fun jet.ShortIterator.iterator() : jet.ShortIterator
 public fun jet.String?.plus(/*0*/ other : jet.Any?) : jet.String
 public fun jet.Any?.toString() : jet.String