diff --git a/core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt b/core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
index 9e5ec62a7c..8f2a7f2fb7 100644
--- a/core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
+++ b/core/generated-sources/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
@@ -7,21 +7,21 @@ import org.jetbrains.kotlinx.dataframe.columns.values
 
 // region DataColumn
 
-public fun <T> DataColumn<T>.forEach(action: (T) -> Unit): Unit = values.forEach(action)
+public inline fun <T> DataColumn<T>.forEach(action: (T) -> Unit): Unit = values().forEach(action)
 
-public fun <T> DataColumn<T>.forEachIndexed(action: (Int, T) -> Unit): Unit = values.forEachIndexed(action)
+public inline fun <T> DataColumn<T>.forEachIndexed(action: (Int, T) -> Unit): Unit = values().forEachIndexed(action)
 
 // endregion
 
 // region DataFrame
 
-public fun <T> DataFrame<T>.forEach(action: RowExpression<T, Unit>): Unit = rows().forEach { action(it, it) }
+public inline fun <T> DataFrame<T>.forEach(action: RowExpression<T, Unit>): Unit = rows().forEach { action(it, it) }
 
 // endregion
 
 // region GroupBy
 
-public fun <T, G> GroupBy<T, G>.forEach(body: (GroupBy.Entry<T, G>) -> Unit): Unit = keys.forEach { key ->
+public inline fun <T, G> GroupBy<T, G>.forEach(body: (GroupBy.Entry<T, G>) -> Unit): Unit = keys.forEach { key ->
     val group = groups[key.index()]
     body(GroupBy.Entry(key, group))
 }
diff --git a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
index 9e5ec62a7c..8f2a7f2fb7 100644
--- a/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
+++ b/core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/forEach.kt
@@ -7,21 +7,21 @@ import org.jetbrains.kotlinx.dataframe.columns.values
 
 // region DataColumn
 
-public fun <T> DataColumn<T>.forEach(action: (T) -> Unit): Unit = values.forEach(action)
+public inline fun <T> DataColumn<T>.forEach(action: (T) -> Unit): Unit = values().forEach(action)
 
-public fun <T> DataColumn<T>.forEachIndexed(action: (Int, T) -> Unit): Unit = values.forEachIndexed(action)
+public inline fun <T> DataColumn<T>.forEachIndexed(action: (Int, T) -> Unit): Unit = values().forEachIndexed(action)
 
 // endregion
 
 // region DataFrame
 
-public fun <T> DataFrame<T>.forEach(action: RowExpression<T, Unit>): Unit = rows().forEach { action(it, it) }
+public inline fun <T> DataFrame<T>.forEach(action: RowExpression<T, Unit>): Unit = rows().forEach { action(it, it) }
 
 // endregion
 
 // region GroupBy
 
-public fun <T, G> GroupBy<T, G>.forEach(body: (GroupBy.Entry<T, G>) -> Unit): Unit = keys.forEach { key ->
+public inline fun <T, G> GroupBy<T, G>.forEach(body: (GroupBy.Entry<T, G>) -> Unit): Unit = keys.forEach { key ->
     val group = groups[key.index()]
     body(GroupBy.Entry(key, group))
 }