diff --git a/modules/core/src/main/java/org/apache/ignite/internal/managers/communication/UnknownMessageException.java b/modules/commons/src/main/java/org/apache/ignite/internal/managers/communication/UnknownMessageException.java
similarity index 100%
rename from modules/core/src/main/java/org/apache/ignite/internal/managers/communication/UnknownMessageException.java
rename to modules/commons/src/main/java/org/apache/ignite/internal/managers/communication/UnknownMessageException.java
diff --git a/modules/core/src/main/java/org/apache/ignite/plugin/extensions/communication/Message.java b/modules/commons/src/main/java/org/apache/ignite/plugin/extensions/communication/Message.java
similarity index 100%
rename from modules/core/src/main/java/org/apache/ignite/plugin/extensions/communication/Message.java
rename to modules/commons/src/main/java/org/apache/ignite/plugin/extensions/communication/Message.java