diff --git a/Examples/test-suite/cpp_basic.i b/Examples/test-suite/cpp_basic.i
index 365873eda..854664030 100644
--- a/Examples/test-suite/cpp_basic.i
+++ b/Examples/test-suite/cpp_basic.i
@@ -80,6 +80,12 @@ private:
 */
 };
 
+// This class is valid C++ but cannot be assigned to.
+struct JustConstMemberData {
+explicit JustConstMemberData(int i_inp) : i(i_inp) {}
+const int i;
+};
+
 %}
 
 %{
diff --git a/Source/Modules/allocate.cxx b/Source/Modules/allocate.cxx
index 56b6f0b08..7d567395c 100644
--- a/Source/Modules/allocate.cxx
+++ b/Source/Modules/allocate.cxx
@@ -781,10 +781,7 @@ Allocate():
 	Setattr(n, "cplus:staticbase", inclass);
       } else if (Cmp(Getattr(n, "kind"), "variable") == 0) {
         /* Check member variable to determine whether assignment is valid */
-        if (GetFlag(n, "feature:immutable")) {
-          /* Can't assign a class with an immutable member variable */
-	  Setattr(inclass, "allocate:noassign", "1");
-        } else if (SwigType_isreference(Getattr(n, "type"))) {
+        if (SwigType_isreference(Getattr(n, "type"))) {
           /* Can't assign a class with reference member data */
 	  Setattr(inclass, "allocate:noassign", "1");
         }