diff --git a/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/TimeSeriesAlgebra.kt b/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/TimeSeriesAlgebra.kt
deleted file mode 100644
index 37abe710e..000000000
--- a/kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/TimeSeriesAlgebra.kt
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright 2018-2023 KMath contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package space.kscience.kmath.series
-
-import space.kscience.kmath.structures.Buffer
-
-
-
-public interface TimeSeries<R, T>: Series<R> {
-    public override val origin: Buffer<R>
-    public override val position: Int
-
-    // TODO: Specify the types of DateTime that can be contained in timeStamp Buffer
-    public val timeStamp: Buffer<T> // Buffer of some datetime instances like: Instant, LocalDate, LocalTime...
-}
-
-private class TimeSeriesImpl<R, T>(
-    override val origin: Buffer<R>,
-    override val timeStamp: Buffer<T>,
-    override val position: Int,
-    override val size: Int = origin.size,
-) : TimeSeries<R, T> by origin { // TODO: manage with delegation
-
-    init {
-        require(size > 0) { "Size must be positive" }
-        require(size <= origin.size) { "Slice size is larger than the original buffer" }
-        require(size <= timeStamp.size) { "Slice size is larger than the timeStamp buffer" }
-    }
-
-//    override fun toString(): String = "$origin-->${position}"
-}
-
-
-// TODO: add conversion to Buffer of Pairs ?