diff --git a/.gitignore b/.gitignore
index 311e5b7c2..2a146aab6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@ out/
 
 # Generated by javac -h
 *.class
+
diff --git a/kmath-core/src/commonMain/kotlin/kscience/kmath/structures/TensorAlgebra.kt b/kmath-core/src/commonMain/kotlin/kscience/kmath/structures/TensorAlgebra.kt
index e603fe193..ca7619429 100644
--- a/kmath-core/src/commonMain/kotlin/kscience/kmath/structures/TensorAlgebra.kt
+++ b/kmath-core/src/commonMain/kotlin/kscience/kmath/structures/TensorAlgebra.kt
@@ -1,7 +1,5 @@
 package kscience.kmath.structures
 
-import kscience.kmath.operations.*
-
 public interface TensorStructure<T> : MutableNDStructure<T> {
     // A tensor can have empty shape, in which case it represents just a value
     public abstract fun value(): T