diff --git a/src/Mod/Ship/Instance.py b/src/Mod/Ship/Instance.py
index 08e434b7f9..f22eda0103 100644
--- a/src/Mod/Ship/Instance.py
+++ b/src/Mod/Ship/Instance.py
@@ -24,8 +24,6 @@
 import time
 from math import *
 from PySide import QtGui, QtCore
-from pivy.coin import *
-from pivy import coin
 import FreeCAD
 import FreeCADGui
 from FreeCAD import Base, Vector
diff --git a/src/Mod/Ship/TankInstance.py b/src/Mod/Ship/TankInstance.py
index 27b3c92505..e50831e387 100644
--- a/src/Mod/Ship/TankInstance.py
+++ b/src/Mod/Ship/TankInstance.py
@@ -24,8 +24,6 @@
 import time
 from math import *
 from PySide import QtGui, QtCore
-from pivy.coin import *
-from pivy import coin
 import FreeCAD
 import FreeCADGui
 from FreeCAD import Base, Vector
diff --git a/src/Mod/Ship/WeightInstance.py b/src/Mod/Ship/WeightInstance.py
index cac299967f..746e5f136a 100644
--- a/src/Mod/Ship/WeightInstance.py
+++ b/src/Mod/Ship/WeightInstance.py
@@ -24,8 +24,6 @@
 import time
 from math import *
 from PySide import QtGui, QtCore
-from pivy.coin import *
-from pivy import coin
 import FreeCAD
 import FreeCADGui
 from FreeCAD import Base, Vector