diff --git a/extendedspans/src/main/kotlin/me/saket/extendedspans/ExtendedSpans.kt b/extendedspans/src/main/kotlin/me/saket/extendedspans/ExtendedSpans.kt
index a317945..837adce 100644
--- a/extendedspans/src/main/kotlin/me/saket/extendedspans/ExtendedSpans.kt
+++ b/extendedspans/src/main/kotlin/me/saket/extendedspans/ExtendedSpans.kt
@@ -10,9 +10,9 @@ import androidx.compose.ui.text.ExperimentalTextApi
 import androidx.compose.ui.text.LinkAnnotation
 import androidx.compose.ui.text.TextLayoutResult
 import androidx.compose.ui.text.buildAnnotatedString
-import me.saket.extendedspans.internal.fastFold
-import me.saket.extendedspans.internal.fastForEach
-import me.saket.extendedspans.internal.fastMap
+import androidx.compose.ui.util.fastFold
+import androidx.compose.ui.util.fastForEach
+import androidx.compose.ui.util.fastMap
 
 @Stable
 class ExtendedSpans(
diff --git a/extendedspans/src/main/kotlin/me/saket/extendedspans/RoundedCornerSpanPainter.kt b/extendedspans/src/main/kotlin/me/saket/extendedspans/RoundedCornerSpanPainter.kt
index 93064fd..6051d36 100644
--- a/extendedspans/src/main/kotlin/me/saket/extendedspans/RoundedCornerSpanPainter.kt
+++ b/extendedspans/src/main/kotlin/me/saket/extendedspans/RoundedCornerSpanPainter.kt
@@ -12,9 +12,9 @@ import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.TextLayoutResult
 import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.sp
+import androidx.compose.ui.util.fastForEach
+import androidx.compose.ui.util.fastForEachIndexed
 import me.saket.extendedspans.internal.deserializeToColor
-import me.saket.extendedspans.internal.fastForEach
-import me.saket.extendedspans.internal.fastForEachIndexed
 import me.saket.extendedspans.internal.serialize
 
 /**
diff --git a/extendedspans/src/main/kotlin/me/saket/extendedspans/SquigglyUnderlineSpanPainter.kt b/extendedspans/src/main/kotlin/me/saket/extendedspans/SquigglyUnderlineSpanPainter.kt
index 89cc941..2c49015 100644
--- a/extendedspans/src/main/kotlin/me/saket/extendedspans/SquigglyUnderlineSpanPainter.kt
+++ b/extendedspans/src/main/kotlin/me/saket/extendedspans/SquigglyUnderlineSpanPainter.kt
@@ -30,10 +30,10 @@ import androidx.compose.ui.text.style.TextDecoration.Companion.Underline
 import androidx.compose.ui.unit.Density
 import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.sp
-import me.saket.extendedspans.internal.deserializeToColor
-import me.saket.extendedspans.internal.fastFirstOrNull
-import me.saket.extendedspans.internal.fastForEach
+import androidx.compose.ui.util.fastFirstOrNull
+import androidx.compose.ui.util.fastForEach
 import me.saket.extendedspans.internal.fastMapRange
+import me.saket.extendedspans.internal.deserializeToColor
 import me.saket.extendedspans.internal.serialize
 import kotlin.math.ceil
 import kotlin.math.sin
diff --git a/extendedspans/src/main/kotlin/me/saket/extendedspans/internal/lists.kt b/extendedspans/src/main/kotlin/me/saket/extendedspans/internal/lists.kt
index 9d0cdb0..5724751 100644
--- a/extendedspans/src/main/kotlin/me/saket/extendedspans/internal/lists.kt
+++ b/extendedspans/src/main/kotlin/me/saket/extendedspans/internal/lists.kt
@@ -3,68 +3,6 @@ package me.saket.extendedspans.internal
 import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 
-/**
- * Copied from [androidx](https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:text/text/src/main/java/androidx/compose/ui/text/android/TempListUtils.kt;l=33;drc=b2e3d878411b7fb1147455b1a204cddb7bee1a1b).
- */
-@OptIn(ExperimentalContracts::class)
-internal inline fun <T> List<T>.fastForEach(action: (T) -> Unit) {
-  contract { callsInPlace(action) }
-  for (index in indices) {
-    val item = get(index)
-    action(item)
-  }
-}
-
-@OptIn(ExperimentalContracts::class)
-internal inline fun <T> List<T>.fastForEachIndexed(action: (index: Int, T) -> Unit) {
-  contract { callsInPlace(action) }
-  for (index in indices) {
-    val item = get(index)
-    action(index, item)
-  }
-}
-
-@OptIn(ExperimentalContracts::class)
-internal inline fun <T> List<T>.fastFirstOrNull(predicate: (T) -> Boolean): T? {
-  contract { callsInPlace(predicate) }
-  for (index in indices) {
-    val item = get(index)
-    if (predicate(item)) {
-      return item
-    }
-  }
-  return null
-}
-
-/**
- * Copied from [androidx](https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:text/text/src/main/java/androidx/compose/ui/text/android/TempListUtils.kt;l=50;drc=b2e3d878411b7fb1147455b1a204cddb7bee1a1b).
- */
-@OptIn(ExperimentalContracts::class)
-internal inline fun <T, R> List<T>.fastMap(
-  transform: (T) -> R
-): List<R> {
-  contract { callsInPlace(transform) }
-  val destination = ArrayList<R>(/* initialCapacity = */ size)
-  fastForEach { item ->
-    destination.add(transform(item))
-  }
-  return destination
-}
-
-/**
- * Copied from [androidx](https://cs.android.com/androidx/platform/frameworks/support/+/androidx-main:compose/ui/ui-text/src/commonMain/kotlin/androidx/compose/ui/text/TempListUtils.kt;l=107;drc=ceaa7640c065146360515e598a3d09f6f66553dd).
- */
-@Suppress("BanInlineOptIn") // Treat Kotlin Contracts as non-experimental.
-@OptIn(ExperimentalContracts::class)
-internal inline fun <T, R> List<T>.fastFold(initial: R, operation: (acc: R, T) -> R): R {
-  contract { callsInPlace(operation) }
-  var accumulator = initial
-  fastForEach { e ->
-    accumulator = operation(accumulator, e)
-  }
-  return accumulator
-}
-
 @OptIn(ExperimentalContracts::class)
 internal inline fun <R> fastMapRange(
   start: Int,