diff --git a/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java b/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
index 0386937cb3..eac8dc694a 100644
--- a/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
+++ b/designer-base/src/main/java/com/fr/design/actions/file/SwitchExistEnv.java
@@ -19,7 +19,6 @@ import com.fr.workspace.WorkContext;
 import com.fr.workspace.WorkContextCallback;
 import com.fr.workspace.Workspace;
 import com.fr.workspace.connect.AuthException;
-import com.fr.workspace.connect.RemoteDesignVT4FRException;
 
 import javax.swing.JOptionPane;
 import javax.swing.UIManager;
diff --git a/designer-base/src/main/java/com/fr/design/env/DesignerWorkspaceGenerator.java b/designer-base/src/main/java/com/fr/design/env/DesignerWorkspaceGenerator.java
index fc5783b10d..1174a8a73b 100644
--- a/designer-base/src/main/java/com/fr/design/env/DesignerWorkspaceGenerator.java
+++ b/designer-base/src/main/java/com/fr/design/env/DesignerWorkspaceGenerator.java
@@ -2,8 +2,6 @@ package com.fr.design.env;
 
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.Workspace;
-import com.fr.workspace.connect.AuthException;
-import com.fr.workspace.connect.RemoteDesignVT4FRException;
 import com.fr.workspace.connect.WorkspaceClient;
 
 /**