diff --git a/source/safe_eval/safe_eval.py b/source/safe_eval/safe_eval.py
index ecb3f9c..1b2fe80 100644
--- a/source/safe_eval/safe_eval.py
+++ b/source/safe_eval/safe_eval.py
@@ -86,18 +86,6 @@ def safe_eval(template: "TemplateSafeEval", env: "Env" = None, macros: dict[str,
                     elif node.id in args:
                         raise SafeEvalException(_("CANNOT_SET_ARGUMENT", ' : "', node.id, '"'))
 
-            # when calling any function
-            case ast.Call:
-                # ban the function and method from the environment
-                for callnode in ast.walk(node.func):
-                    if isinstance(callnode, ast.Attribute):
-                        for attrnode in ast.walk(callnode.value):
-                            if isinstance(attrnode, ast.Name):
-                                if attrnode.id in globals_ | locals_ or attrnode.id in args:
-                                    raise SafeEvalException(
-                                        _("CALLING_FUNCTION_NOT_ALLOWED", ' : "', callnode.attr, '"')
-                                    )
-
             # when assigning a value with ":="
             case ast.NamedExpr:
                 # embed the value into a deepcopy, to avoid interaction with class attribute