diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/network/synchronizer/FieldSynchronizer.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/network/synchronizer/FieldSynchronizer.kt
index 8de4d082e..22f349eb2 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/network/synchronizer/FieldSynchronizer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/network/synchronizer/FieldSynchronizer.kt
@@ -353,12 +353,6 @@ class FieldSynchronizer(private val callback: Runnable, private val alwaysCallCa
 		var unused: Boolean = false
 			private set
 
-		private var mappingVersion = -1
-
-		fun invalidateMappings() {
-			mappingVersion = -1
-		}
-
 		fun markUnused() {
 			require(this === defaultEndpoint) { "This is not a default endpoint" }
 			if (unused) return
@@ -1823,10 +1817,6 @@ class FieldSynchronizer(private val callback: Runnable, private val alwaysCallCa
 		for (field in fields) {
 			field?.markDirty()
 		}
-
-		forEachEndpoint {
-			it.invalidateMappings()
-		}
 	}
 
 	/**