diff --git a/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayStructures.kt b/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayStructures.kt
index 3ffcc110d..b444def3d 100644
--- a/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayStructures.kt
+++ b/kmath-nd4j/src/main/kotlin/scientifik.kmath.nd4j/INDArrayStructures.kt
@@ -3,7 +3,7 @@ package scientifik.kmath.nd4j
 import org.nd4j.linalg.api.ndarray.INDArray
 import scientifik.kmath.structures.NDStructure
 
-interface INDArrayStructureBase<T> : NDStructure<T> {
+interface INDArrayStructure<T> : NDStructure<T> {
     val ndArray: INDArray
 
     override val shape: IntArray
@@ -13,22 +13,22 @@ interface INDArrayStructureBase<T> : NDStructure<T> {
     override fun elements(): Sequence<Pair<IntArray, T>> = Sequence(::elementsIterator)
 }
 
-data class INDArrayIntStructure(override val ndArray: INDArray) : INDArrayStructureBase<Int> {
+data class INDArrayIntStructure(override val ndArray: INDArray) : INDArrayStructure<Int> {
     override fun elementsIterator(): Iterator<Pair<IntArray, Int>> = INDArrayIntIterator(ndArray)
     override fun get(index: IntArray): Int = ndArray.getInt(*index)
 }
 
-data class INDArrayLongStructure(override val ndArray: INDArray) : INDArrayStructureBase<Long> {
+data class INDArrayLongStructure(override val ndArray: INDArray) : INDArrayStructure<Long> {
     override fun elementsIterator(): Iterator<Pair<IntArray, Long>> = INDArrayLongIterator(ndArray)
     override fun get(index: IntArray): Long = ndArray.getLong(*widenToLongArray(index))
 }
 
-data class INDArrayDoubleStructure(override val ndArray: INDArray) : INDArrayStructureBase<Double> {
+data class INDArrayDoubleStructure(override val ndArray: INDArray) : INDArrayStructure<Double> {
     override fun elementsIterator(): Iterator<Pair<IntArray, Double>> = INDArrayDoubleIterator(ndArray)
     override fun get(index: IntArray): Double = ndArray.getDouble(*index)
 }
 
-data class INDArrayFloatStructure(override val ndArray: INDArray) : INDArrayStructureBase<Float> {
+data class INDArrayFloatStructure(override val ndArray: INDArray) : INDArrayStructure<Float> {
     override fun elementsIterator(): Iterator<Pair<IntArray, Float>> = INDArrayFloatIterator(ndArray)
     override fun get(index: IntArray): Float = ndArray.getFloat(*index)
 }