diff --git a/Source/Modules/java.cxx b/Source/Modules/java.cxx
index ff5a7c0fb..a8cec497f 100644
--- a/Source/Modules/java.cxx
+++ b/Source/Modules/java.cxx
@@ -2773,7 +2773,6 @@ class JAVA : public Language {
     /* Preamble code */
 
     Printf(w->code, "jenv = __acquire_jenv();\n");
-    Printf(w->code, "assert(jenv);\n");
     Printf(w->code, "if (!__override[%d]) {\n", classmeth_off);
 
     if (!pure_virtual) {
@@ -2823,7 +2822,6 @@ class JAVA : public Language {
       Delete(tp);
     }
 
-    Printf(w->code, "assert(__get_self());\n");
     if (!recursive_upcall) {
       if (!is_const)
         Printf(w->code, "if (!__get_ricochet(%d)) {\n", classmeth_off);
diff --git a/Source/Modules/ocaml.cxx b/Source/Modules/ocaml.cxx
index 25b05afba..9e7bccf6c 100755
--- a/Source/Modules/ocaml.cxx
+++ b/Source/Modules/ocaml.cxx
@@ -1635,7 +1635,6 @@ public:
 			    Printf(wrap_args, "} else {\n");
 			    Printf(wrap_args,   "%s = %s->__get_self();\n", source, director);
 			    Printf(wrap_args, "}\n");
-			    Printf(wrap_args, "assert(%s);\n", source);
 			    Delete(director);
 			    Printv(arglist, source, NIL);
 			} else {
@@ -1674,9 +1673,6 @@ public:
 	Printf(w->code,   "CAMLreturn(%s);\n", Swig_method_call(super,l));
 	Printf(w->code, "}\n");
     
-	/* check that we don't wrap a null... */
-	Printv(w->code, "assert(__get_self());\n", NIL);
-
 	/* wrap complex arguments to values */
 	Printv(w->code, wrap_args, NIL);
 
diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index d4ef40bcd..055232cb9 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -1422,7 +1422,6 @@ public:
 	    Printf(wrap_args,   "%s = %s->__get_self();\n", source, director);
 	    Printf(wrap_args,   "Py_INCREF(%s);\n", source);
 	    Printf(wrap_args, "}\n");
-	    Printf(wrap_args, "assert(%s);\n", source);
 	    Delete(director);
 	    Printv(arglist, source, NIL);
 	  } else {
@@ -1470,9 +1469,6 @@ public:
     }
     Printf(w->code, "}\n");
     
-    /* check that have a wrapped Python object */
-    Printv(w->code, "assert(__get_self());\n", NIL);
-
     /* wrap complex arguments to PyObjects */
     Printv(w->code, wrap_args, NIL);
 
diff --git a/Source/Modules/ruby.cxx b/Source/Modules/ruby.cxx
index 00d4aac07..adff94932 100644
--- a/Source/Modules/ruby.cxx
+++ b/Source/Modules/ruby.cxx
@@ -2382,7 +2382,6 @@ public:
 	    Printf(wrap_args, "} else {\n");
 	    Printf(wrap_args,   "%s = %s->__get_self();\n", source, director);
 	    Printf(wrap_args, "}\n");
-	    Printf(wrap_args, "assert(%s != Qnil);\n", source);
 	    Delete(director);
 	    Printv(arglist, source, NIL);
 	  } else {
@@ -2429,9 +2428,6 @@ public:
     }
     Printf(w->code, "}\n");
     
-    /* check that have a wrapped Ruby object */
-    Printv(w->code, "assert(__get_self() != Qnil);\n", NIL);
-
     /* wrap complex arguments to VALUEs */
     Printv(w->code, wrap_args, NIL);