diff --git a/tree/dataframe/inc/ROOT/RDF/Utils.hxx b/tree/dataframe/inc/ROOT/RDF/Utils.hxx
index b1b0f9864c161..10313453f16aa 100644
--- a/tree/dataframe/inc/ROOT/RDF/Utils.hxx
+++ b/tree/dataframe/inc/ROOT/RDF/Utils.hxx
@@ -196,8 +196,7 @@ void InterpreterDeclare(const std::string &code);
 
 /// Jit code in the interpreter with TInterpreter::Calc, throw in case of errors.
 /// The optional `context` parameter, if present, is mentioned in the error message.
-/// The pointer returned by the call to TInterpreter::Calc is returned in case of success.
-Long64_t InterpreterCalc(const std::string &code, const std::string &context = "");
+void InterpreterCalc(const std::string &code, const std::string &context = "");
 
 /// Whether custom column with name colName is an "internal" column such as rdfentry_ or rdfslot_
 bool IsInternalColumn(std::string_view colName);
diff --git a/tree/dataframe/src/RDFUtils.cxx b/tree/dataframe/src/RDFUtils.cxx
index 22afbd4eff2a6..cb6f6857cc37b 100644
--- a/tree/dataframe/src/RDFUtils.cxx
+++ b/tree/dataframe/src/RDFUtils.cxx
@@ -342,8 +342,11 @@ void InterpreterDeclare(const std::string &code)
    }
 }
 
-Long64_t InterpreterCalc(const std::string &code, const std::string &context)
+void InterpreterCalc(const std::string &code, const std::string &context)
 {
+   if (code.empty())
+      return;
+
    R__LOG_DEBUG(10, RDFLogChannel()) << "Jitting and executing the following code:\n\n" << code << '\n';
 
    TInterpreter::EErrorCode errorCode(TInterpreter::kNoError); // storage for cling errors
@@ -374,8 +377,6 @@ Long64_t InterpreterCalc(const std::string &code, const std::string &context)
 
       callCalc(subs);
    }
-
-   return 0; // we used to forward the return value of Calc, but that's not possible anymore.
 }
 
 bool IsInternalColumn(std::string_view colName)