diff --git a/src/Configuration/ModelConfig/ModelConfig.cpp b/src/Configuration/ModelConfig/ModelConfig.cpp
index 4c06c87e5..fa7eed070 100644
--- a/src/Configuration/ModelConfig/ModelConfig.cpp
+++ b/src/Configuration/ModelConfig/ModelConfig.cpp
@@ -917,11 +917,8 @@ void model_config_entry(CFGCommon_ARG* cmdarg) {
     CFGArg::parse("model_config|gen_bitstream_setting_xml", cmdarg->raws.size(),
                   &cmdarg->raws[0], flag_options, options, positional_options,
                   {"is_unittest"}, {"device_size", "design", "pin"}, {}, 2);
-    ModelConfig_BITSREAM_SETTINGS_XML* xml =
-        new ModelConfig_BITSREAM_SETTINGS_XML(flag_options, options,
-                                              positional_options[0],
-                                              positional_options[1]);
-    delete xml;
+    ModelConfig_BITSREAM_SETTINGS_XML::gen(
+        flag_options, options, positional_options[0], positional_options[1]);
   } else if (cmdarg->raws[0] == "backdoor") {
     CFGArg::parse("model_config|gen_ppdb", cmdarg->raws.size(),
                   &cmdarg->raws[0], flag_options, options, positional_options,
diff --git a/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.cpp b/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.cpp
index 52366b7ec..e77c01662 100644
--- a/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.cpp
+++ b/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.cpp
@@ -36,9 +36,9 @@ struct PIN_INFO {
 };
 
 /*
-  Constructor
+  Generate bitstream setting XML
 */
-ModelConfig_BITSREAM_SETTINGS_XML::ModelConfig_BITSREAM_SETTINGS_XML(
+void ModelConfig_BITSREAM_SETTINGS_XML::gen(
     const std::vector<std::string>& flag_options,
     const std::map<std::string, std::string>& options, const std::string& input,
     const std::string& output) {
@@ -144,9 +144,4 @@ ModelConfig_BITSREAM_SETTINGS_XML::ModelConfig_BITSREAM_SETTINGS_XML(
   }
 }
 
-/*
-  Destructor
-*/
-ModelConfig_BITSREAM_SETTINGS_XML::~ModelConfig_BITSREAM_SETTINGS_XML() {}
-
 }  // namespace FOEDAG
diff --git a/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.h b/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.h
index 7637bde12..b3a11ec22 100644
--- a/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.h
+++ b/src/Configuration/ModelConfig/ModelConfig_BITSTREAM_SETTING_XML.h
@@ -32,11 +32,9 @@ namespace FOEDAG {
 
 class ModelConfig_BITSREAM_SETTINGS_XML {
  public:
-  ModelConfig_BITSREAM_SETTINGS_XML(
-      const std::vector<std::string>& flag_options,
-      const std::map<std::string, std::string>& options,
-      const std::string& input, const std::string& output);
-  ~ModelConfig_BITSREAM_SETTINGS_XML();
+  static void gen(const std::vector<std::string>& flag_options,
+                  const std::map<std::string, std::string>& options,
+                  const std::string& input, const std::string& output);
 
  private:
 };