diff --git a/mathics/eval/parts.py b/mathics/eval/parts.py
index 3ecf356d1..61a1adf33 100644
--- a/mathics/eval/parts.py
+++ b/mathics/eval/parts.py
@@ -6,7 +6,7 @@
 
 from typing import List
 
-from mathics.core.atoms import Integer, Integer1
+from mathics.core.atoms import Integer
 from mathics.core.convert.expression import make_expression
 from mathics.core.element import BaseElement, BoxElementMixin
 from mathics.core.exceptions import (
@@ -20,11 +20,7 @@
 from mathics.core.list import ListExpression
 from mathics.core.subexpression import SubExpression
 from mathics.core.symbols import Atom, Symbol, SymbolList
-from mathics.core.systemsymbols import (
-    SymbolDirectedInfinity,
-    SymbolInfinity,
-    SymbolNothing,
-)
+from mathics.core.systemsymbols import SymbolInfinity, SymbolNothing
 from mathics.eval.patterns import Matcher