diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
index 27718dd70..fd6ae1e0f 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/MatteryBlockEntity.kt
@@ -454,13 +454,6 @@ abstract class MatteryBlockEntity(p_155228_: BlockEntityType<*>, p_155229_: Bloc
 		_sides[blockRotation.dir2Side(dir)]!!.updateTracked()
 	}
 
-	protected fun onceServer(action: (ServerLevel) -> Unit) {
-		val level = level
-		if (level is ServerLevel) {
-			tickList.once { action.invoke(level) }
-		}
-	}
-
 	override fun setChanged() {
 		super.setChanged()
 
diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableBlockEntity.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableBlockEntity.kt
index d7c3b5018..aeeb47cf8 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableBlockEntity.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/cable/EnergyCableBlockEntity.kt
@@ -17,6 +17,7 @@ import ru.dbotthepony.mc.otm.core.math.BlockRotation
 import ru.dbotthepony.mc.otm.core.math.Decimal
 import ru.dbotthepony.mc.otm.core.math.RelativeSide
 import ru.dbotthepony.mc.otm.graph.GraphNode
+import ru.dbotthepony.mc.otm.onceServer
 import ru.dbotthepony.mc.otm.registry.MBlockEntities
 import java.util.Collections
 import java.util.EnumMap
@@ -53,11 +54,11 @@ class EnergyCableBlockEntity(blockPos: BlockPos, blockState: BlockState) : Matte
 							node.graph.livelyNodes.add(node)
 						}
 
-						ru.dbotthepony.mc.otm.onceServer {
+						onceServer {
 							updateBlockState(blockRotation.side2Dir(side), true)
 						}
 					} else {
-						ru.dbotthepony.mc.otm.onceServer {
+						onceServer {
 							updateBlockState(blockRotation.side2Dir(side), false)
 						}
 					}