diff --git a/src/class_diagram/generators/plantuml/class_diagram_generator.cc b/src/class_diagram/generators/plantuml/class_diagram_generator.cc
index dd85f2db..bc81ce8d 100644
--- a/src/class_diagram/generators/plantuml/class_diagram_generator.cc
+++ b/src/class_diagram/generators/plantuml/class_diagram_generator.cc
@@ -277,7 +277,7 @@ void generator::generate_relationships(
             plantuml_common::to_plantuml(r.type(), r.style()));
 
         std::stringstream relstr;
-        clanguml::common::id_t destination;
+        clanguml::common::id_t destination{0};
         try {
             destination = r.destination();
 
@@ -381,7 +381,7 @@ void generator::generate_relationships(const enum_ &e, std::ostream &ostr) const
         if (!m_model.should_include(r.type()))
             continue;
 
-        clanguml::common::id_t destination;
+        clanguml::common::id_t destination{0};
         std::stringstream relstr;
         try {
             destination = r.destination();
diff --git a/src/sequence_diagram/visitor/translation_unit_visitor.cc b/src/sequence_diagram/visitor/translation_unit_visitor.cc
index ddb308f2..f1b2aa10 100644
--- a/src/sequence_diagram/visitor/translation_unit_visitor.cc
+++ b/src/sequence_diagram/visitor/translation_unit_visitor.cc
@@ -29,7 +29,6 @@ translation_unit_visitor::translation_unit_visitor(clang::SourceManager &sm,
     : common::visitor::translation_unit_visitor{sm, config}
     , diagram_{diagram}
     , config_{config}
-    , call_expression_context_{}
 {
 }