diff --git a/src/pystencils/backend/ast/expressions.py b/src/pystencils/backend/ast/expressions.py
index 01df0ccb6d1a6f530b8e47d872a78ad29852f6c1..aec23809b5d0657ccd303ccc9d4dfcc1a6e152a2 100644
--- a/src/pystencils/backend/ast/expressions.py
+++ b/src/pystencils/backend/ast/expressions.py
@@ -388,20 +388,14 @@ class PsCall(PsExpression):
 class PsNumericOpTrait:
     """Trait for operations valid only on numerical types"""
 
-    pass
-
 
 class PsIntOpTrait:
     """Trait for operations valid only on integer types"""
 
-    pass
-
 
 class PsBoolOpTrait:
     """Trait for boolean operations"""
 
-    pass
-
 
 class PsUnOp(PsExpression):
     __match_args__ = ("operand",)