diff --git a/uncompyle6/parser.py b/uncompyle6/parser.py
index 6ef2670f..62ad2eb4 100644
--- a/uncompyle6/parser.py
+++ b/uncompyle6/parser.py
@@ -508,9 +508,6 @@ class PythonParser(GenericASTBuilder):
         conditional ::= expr jmp_false expr JUMP_FORWARD expr COME_FROM
         conditional ::= expr jmp_false expr JUMP_ABSOLUTE expr
 
-        expr ::= conditionalnot
-        conditionalnot  ::= expr jmp_true expr _jump expr COME_FROM
-
         expr            ::= conditionalTrue
         conditionalTrue ::= expr JUMP_FORWARD expr COME_FROM
 
diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index ac89dd3f..bae130c1 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -422,6 +422,7 @@ class Python3Parser(PythonParser):
 
     def p_expr3(self, args):
         """
+        expr           ::= conditionalnot
         conditional    ::= expr jmp_false expr jump_forward_else expr COME_FROM
         conditionalnot ::= expr jmp_true  expr jump_forward_else expr COME_FROM