diff --git a/tests/gpgscm/opdefines.h b/tests/gpgscm/opdefines.h
index 7bdaefb13..9cb723a9e 100644
--- a/tests/gpgscm/opdefines.h
+++ b/tests/gpgscm/opdefines.h
@@ -178,24 +178,24 @@
     _OP_DEF(opexe_0, "close-output-port",              1,  1,       TST_OUTPORT,                     OP_CLOSE_OUTPORT    )
     _OP_DEF(opexe_0, "interaction-environment",        0,  0,       0,                               OP_INT_ENV          )
     _OP_DEF(opexe_0, "current-environment",            0,  0,       0,                               OP_CURR_ENV         )
-    _OP_DEF(opexe_5, "read",                           0,  1,       TST_INPORT,                      OP_READ             )
-    _OP_DEF(opexe_5, "read-char",                      0,  1,       TST_INPORT,                      OP_READ_CHAR        )
-    _OP_DEF(opexe_5, "peek-char",                      0,  1,       TST_INPORT,                      OP_PEEK_CHAR        )
-    _OP_DEF(opexe_5, "char-ready?",                    0,  1,       TST_INPORT,                      OP_CHAR_READY       )
-    _OP_DEF(opexe_5, "set-input-port",                 1,  1,       TST_INPORT,                      OP_SET_INPORT       )
-    _OP_DEF(opexe_5, "set-output-port",                1,  1,       TST_OUTPORT,                     OP_SET_OUTPORT      )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDSEXPR          )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDLIST           )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDDOT            )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDQUOTE          )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDQQUOTE         )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDQQUOTEVEC      )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDUNQUOTE        )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDUQTSP          )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_RDVEC            )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_P0LIST           )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_P1LIST           )
-    _OP_DEF(opexe_5, 0,                                0,  0,       0,                               OP_PVECFROM         )
+    _OP_DEF(opexe_0, "read",                           0,  1,       TST_INPORT,                      OP_READ             )
+    _OP_DEF(opexe_0, "read-char",                      0,  1,       TST_INPORT,                      OP_READ_CHAR        )
+    _OP_DEF(opexe_0, "peek-char",                      0,  1,       TST_INPORT,                      OP_PEEK_CHAR        )
+    _OP_DEF(opexe_0, "char-ready?",                    0,  1,       TST_INPORT,                      OP_CHAR_READY       )
+    _OP_DEF(opexe_0, "set-input-port",                 1,  1,       TST_INPORT,                      OP_SET_INPORT       )
+    _OP_DEF(opexe_0, "set-output-port",                1,  1,       TST_OUTPORT,                     OP_SET_OUTPORT      )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDSEXPR          )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDLIST           )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDDOT            )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDQUOTE          )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDQQUOTE         )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDQQUOTEVEC      )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDUNQUOTE        )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDUQTSP          )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_RDVEC            )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_P0LIST           )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_P1LIST           )
+    _OP_DEF(opexe_0, 0,                                0,  0,       0,                               OP_PVECFROM         )
     _OP_DEF(opexe_6, "length",                         1,  1,       TST_LIST,                        OP_LIST_LENGTH      )
     _OP_DEF(opexe_6, "assq",                           2,  2,       TST_NONE,                        OP_ASSQ             )
     _OP_DEF(opexe_6, "get-closure-code",               1,  1,       TST_NONE,                        OP_GET_CLOSURE      )
diff --git a/tests/gpgscm/scheme.c b/tests/gpgscm/scheme.c
index 48e0f3fd2..917f46bb7 100644
--- a/tests/gpgscm/scheme.c
+++ b/tests/gpgscm/scheme.c
@@ -438,7 +438,6 @@ static pointer reverse_in_place(scheme *sc, pointer term, pointer list);
 static pointer revappend(scheme *sc, pointer a, pointer b);
 static void dump_stack_mark(scheme *);
 static pointer opexe_0(scheme *sc, enum scheme_opcodes op);
-static pointer opexe_5(scheme *sc, enum scheme_opcodes op);
 static pointer opexe_6(scheme *sc, enum scheme_opcodes op);
 static void Eval_Cycle(scheme *sc, enum scheme_opcodes op);
 static void assign_syntax(scheme *sc, char *name);
@@ -4877,24 +4876,7 @@ static pointer opexe_0(scheme *sc, enum scheme_opcodes op) {
      CASE(OP_CURR_ENV): /* current-environment */
           s_return(sc,sc->envir);
 
-     default:
-          snprintf(sc->strbuff,STRBUFFSIZE,"%d: illegal operator", sc->op);
-          Error_0(sc,sc->strbuff);
-     }
-     return sc->T;
-}
 
-static pointer opexe_5(scheme *sc, enum scheme_opcodes op) {
-     pointer x;
-
-     if(sc->nesting!=0) {
-          int n=sc->nesting;
-          sc->nesting=0;
-          sc->retcode=-1;
-          Error_1(sc,"unmatched parentheses:",mk_integer(sc,n));
-     }
-
-     switch (op) {
      /* ========== reading part ========== */
      CASE(OP_READ):
           if(!is_pair(sc->args)) {