diff --git a/Examples/test-suite/csharp/multiple_inheritance_abstract_runme.cs b/Examples/test-suite/csharp/multiple_inheritance_abstract_runme.cs
index 48173a6bc..4584be399 100644
--- a/Examples/test-suite/csharp/multiple_inheritance_abstract_runme.cs
+++ b/Examples/test-suite/csharp/multiple_inheritance_abstract_runme.cs
@@ -59,12 +59,12 @@ public class multiple_inheritance_abstract_runme {
     check(cb2.cbase2()!=2, "CBase2::cbase2() failed");
 
     //Test abstract class as return value
-    ABase1 ab1=d3.clone();
+    ABase1 ab1=d3.cloneit();
     check(ab1.abase1()!=9, "Derived3::abase1() through ABase1 failed");
 
     //Test concrete base class as return value
-    CBase1 cb6=d2.clone();
-    CBase2 cb7=d1.clone();
+    CBase1 cb6=d2.cloneit();
+    CBase2 cb7=d1.cloneit();
     check(cb6.cbase1y()!=6, "Derived2::cbase1y() through CBase1 failed");
     check(cb7.cbase2()!=4, "Derived1:cbase2() through ABase1 failed");
 
diff --git a/Examples/test-suite/csharp/multiple_inheritance_nspace_runme.cs b/Examples/test-suite/csharp/multiple_inheritance_nspace_runme.cs
index e7c653293..e24afb1f1 100644
--- a/Examples/test-suite/csharp/multiple_inheritance_nspace_runme.cs
+++ b/Examples/test-suite/csharp/multiple_inheritance_nspace_runme.cs
@@ -60,12 +60,12 @@ public class multiple_inheritance_nspace_runme {
     check(cb2.cbase2()!=2, "CBase2::cbase2() failed");
 
     //Test nspace class as return value
-    IABase1 ab1=d3.clone();
+    IABase1 ab1=d3.cloneit();
     check(ab1.abase1()!=9, "Derived3::abase1() through ABase1 failed");
 
     //Test concrete base class as return value
-    ICBase1 cb6=d2.clone();
-    ICBase2 cb7=d1.clone();
+    ICBase1 cb6=d2.cloneit();
+    ICBase2 cb7=d1.cloneit();
     check(cb6.cbase1y()!=6, "Derived2::cbase1y() through CBase1 failed");
     check(cb7.cbase2()!=4, "Derived1:cbase2() through ABase1 failed");
 
diff --git a/Examples/test-suite/java/multiple_inheritance_abstract_runme.java b/Examples/test-suite/java/multiple_inheritance_abstract_runme.java
index a215c6091..1489d92a7 100644
--- a/Examples/test-suite/java/multiple_inheritance_abstract_runme.java
+++ b/Examples/test-suite/java/multiple_inheritance_abstract_runme.java
@@ -67,12 +67,12 @@ public class multiple_inheritance_abstract_runme {
     check(cb2.cbase2()!=2, "CBase2::cbase2() failed");
 
     //Test abstract class as return value
-    ABase1 ab1=d3.clone();
+    ABase1 ab1=d3.cloneit();
     check(ab1.abase1()!=9, "Derived3::abase1() through ABase1 failed");
 
     //Test concrete base class as return value
-    CBase1 cb6=d2.clone();
-    CBase2 cb7=d1.clone();
+    CBase1 cb6=d2.cloneit();
+    CBase2 cb7=d1.cloneit();
     check(cb6.cbase1y()!=6, "Derived2::cbase1y() through CBase1 failed");
     check(cb7.cbase2()!=4, "Derived1:cbase2() through ABase1 failed");
 
diff --git a/Examples/test-suite/java/multiple_inheritance_nspace_runme.java b/Examples/test-suite/java/multiple_inheritance_nspace_runme.java
index e2f1341fd..8d7835cb3 100644
--- a/Examples/test-suite/java/multiple_inheritance_nspace_runme.java
+++ b/Examples/test-suite/java/multiple_inheritance_nspace_runme.java
@@ -69,12 +69,12 @@ public class multiple_inheritance_nspace_runme {
     check(cb2.cbase2()!=2, "CBase2::cbase2() failed");
 
     //Test nspace class as return value
-    IABase1 ab1=d3.clone();
+    IABase1 ab1=d3.cloneit();
     check(ab1.abase1()!=9, "Derived3::abase1() through ABase1 failed");
 
     //Test concrete base class as return value
-    ICBase1 cb6=d2.clone();
-    ICBase2 cb7=d1.clone();
+    ICBase1 cb6=d2.cloneit();
+    ICBase2 cb7=d1.cloneit();
     check(cb6.cbase1y()!=6, "Derived2::cbase1y() through CBase1 failed");
     check(cb7.cbase2()!=4, "Derived1:cbase2() through ABase1 failed");
 
diff --git a/Examples/test-suite/multiple_inheritance_abstract.i b/Examples/test-suite/multiple_inheritance_abstract.i
index 8430ff342..b54a37dea 100644
--- a/Examples/test-suite/multiple_inheritance_abstract.i
+++ b/Examples/test-suite/multiple_inheritance_abstract.i
@@ -1,6 +1,10 @@
 // This is a copy of the multiple_inheritance_abstract test
 %module  multiple_inheritance_abstract
 
+%warnfilter(SWIGWARN_RUBY_MULTIPLE_INHERITANCE,
+	    SWIGWARN_D_MULTIPLE_INHERITANCE,
+	    SWIGWARN_PHP_MULTIPLE_INHERITANCE); /* languages not supporting multiple inheritance or %interface */
+
 #if defined(SWIGJAVA) || defined(SWIGCSHARP)
 %include "swiginterface.i"
 %interface_impl(Space::ABase1)
@@ -8,6 +12,12 @@
 %interface_impl(Space::CBase2)
 #endif
 
+#if defined(SWIGD)
+// Missing multiple inheritance support results in incorrect use of override
+%ignore CBase1;
+%ignore CBase2;
+#endif
+
 %inline %{
 namespace Space {
   struct CBase1 {
@@ -48,7 +58,7 @@ namespace Space {
     virtual int cbase2() {
       return 4;
     }
-    virtual CBase2 *clone() {
+    virtual CBase2 *cloneit() {
       return new Derived1(*this);
     }
     void derived1() {
@@ -65,7 +75,7 @@ namespace Space {
     virtual int abase1() {
       return 5;
     }
-    virtual CBase1 *clone() {
+    virtual CBase1 *cloneit() {
       return new Derived2(*this);
     }
     void derived2() {
@@ -84,7 +94,7 @@ namespace Space {
     }
     virtual void cbase1x() {
     }
-    virtual ABase1 *clone() {
+    virtual ABase1 *cloneit() {
       return new Derived3(*this);
     }
     void derived3() {
diff --git a/Examples/test-suite/multiple_inheritance_interfaces.i b/Examples/test-suite/multiple_inheritance_interfaces.i
index f050b7f47..9444f9dbf 100644
--- a/Examples/test-suite/multiple_inheritance_interfaces.i
+++ b/Examples/test-suite/multiple_inheritance_interfaces.i
@@ -1,18 +1,24 @@
 %module  multiple_inheritance_interfaces
 
+%warnfilter(SWIGWARN_RUBY_MULTIPLE_INHERITANCE,
+	    SWIGWARN_D_MULTIPLE_INHERITANCE,
+	    SWIGWARN_PHP_MULTIPLE_INHERITANCE); /* languages not supporting multiple inheritance or %interface */
+
 #if defined(SWIGJAVA) || defined(SWIGCSHARP)
 %include "swiginterface.i"
 %interface_custom("A", "IA", IA)
 %interface_custom("B", "IB", IB)
 %interface_custom("%(strip:[I])s", "I%s", IC) // same as %interface_custom("C", "IC", IC)
 #endif
+
 %inline %{
 struct IA {
   virtual void ia() {};
   virtual void ia(const char *s, bool b = true) {}
   virtual void ia(int i) {}
+  virtual ~IA() {}
 };
-struct IB { virtual void ib() {} };
+struct IB { virtual ~IB() {} virtual void ib() {} };
 struct IC : IA, IB {};
 struct D : IC {};
 struct E : D {};
@@ -24,7 +30,7 @@ struct E : D {};
 %interface_custom("L", "IL", IL)
 #endif
 %inline %{
-struct IJ { virtual void ij() {} };
+struct IJ { virtual ~IJ() {}; virtual void ij() {} };
 struct IK : IJ {};
 struct IL : IK {};
 struct M : IL {};
@@ -34,8 +40,8 @@ struct M : IL {};
 %interface_custom("Q", "IQ", IQ)
 #endif
 %inline %{
-struct P { virtual void p() {}; };
-struct IQ { virtual void iq() {}; };
+struct P  { virtual ~P() {}  virtual void p()  {} };
+struct IQ { virtual ~IQ() {} virtual void iq() {} };
 struct R : IQ, P {};
 struct S : P, IQ {};
 struct T : IQ {};
diff --git a/Examples/test-suite/multiple_inheritance_nspace.i b/Examples/test-suite/multiple_inheritance_nspace.i
index 0436e071f..4faef5749 100644
--- a/Examples/test-suite/multiple_inheritance_nspace.i
+++ b/Examples/test-suite/multiple_inheritance_nspace.i
@@ -1,10 +1,14 @@
 // This is a copy of the multiple_inheritance_abstract test
 %module  multiple_inheritance_nspace
 
+%warnfilter(SWIGWARN_RUBY_MULTIPLE_INHERITANCE,
+	    SWIGWARN_D_MULTIPLE_INHERITANCE,
+	    SWIGWARN_PHP_MULTIPLE_INHERITANCE); /* languages not supporting multiple inheritance or %interface */
+
 // nspace feature only supported by these languages
 #if defined(SWIGJAVA) || defined(SWIGCSHARP) || defined(SWIGD) || defined(SWIGLUA) || defined(SWIGJAVASCRIPT)
-
 %nspace;
+#endif
 
 #if defined(SWIGJAVA) || defined(SWIGCSHARP)
 %include "swiginterface.i"
@@ -13,6 +17,12 @@
 %interface(Space::CBase2)
 #endif
 
+#if defined(SWIGD)
+// Missing multiple inheritance support results in incorrect use of override
+%ignore CBase1;
+%ignore CBase2;
+#endif
+
 #if defined(SWIGJAVA)
 SWIG_JAVABODY_PROXY(public, public, SWIGTYPE)
 #endif
@@ -57,7 +67,7 @@ namespace Space {
     virtual int cbase2() {
       return 4;
     }
-    virtual CBase2 *clone() {
+    virtual CBase2 *cloneit() {
       return new Derived1(*this);
     }
     void derived1() {
@@ -74,7 +84,7 @@ namespace Space {
     virtual int abase1() {
       return 5;
     }
-    virtual CBase1 *clone() {
+    virtual CBase1 *cloneit() {
       return new Derived2(*this);
     }
     void derived2() {
@@ -93,7 +103,7 @@ namespace Space {
     }
     virtual void cbase1x() {
     }
-    virtual ABase1 *clone() {
+    virtual ABase1 *cloneit() {
       return new Derived3(*this);
     }
     void derived3() {
@@ -326,4 +336,3 @@ namespace Space {
 
 %}
 
-#endif