1 files changed, 3 insertions, 0 deletions
diff --git a/searchlib/src/tests/features/element_similarity_feature/element_similarity_feature_test.cpp b/searchlib/src/tests/features/element_similarity_feature/element_similarity_feature_test.cpp
index dd1dc5b3689..97508e1f582 100644
--- a/searchlib/src/tests/features/element_similarity_feature/element_similarity_feature_test.cpp
+++ b/searchlib/src/tests/features/element_similarity_feature/element_similarity_feature_test.cpp
@@ -65,11 +65,14 @@ struct IndexFixture {
 struct FeatureDumpFixture : public IDumpFeatureVisitor {
     std::vector<vespalib::string> actual;
     FeatureDumpFixture() : IDumpFeatureVisitor(), actual() {}
+    ~FeatureDumpFixture() override;
     virtual void visitDumpFeature(const vespalib::string &name) override {
         actual.push_back(name);
     }
 };
 
+FeatureDumpFixture::~FeatureDumpFixture() = default;
+
 struct RankFixture : BlueprintFactoryFixture {
     RankFixture() : BlueprintFactoryFixture() {}
     double get_feature(const vespalib::string &query, const FtIndex &index, const vespalib::string &select,