diff --git a/src/file_analysis/AnalyzerSet.h b/src/file_analysis/AnalyzerSet.h
index c446d8f5ed..53827a595f 100644
--- a/src/file_analysis/AnalyzerSet.h
+++ b/src/file_analysis/AnalyzerSet.h
@@ -187,8 +187,8 @@ private:
          * @param arg_a an analyzer instance to add to an analyzer set.
          * @param arg_key hash key representing the analyzer's \c AnalyzerArgs.
          */
-        RemoveMod(const zeek::Tag& arg_tag, std::unique_ptr<zeek::detail::HashKey> arg_key)
-            : Modification(), tag(arg_tag), key(std::move(arg_key)) {}
+        RemoveMod(zeek::Tag arg_tag, std::unique_ptr<zeek::detail::HashKey> arg_key)
+            : Modification(), tag(std::move(arg_tag)), key(std::move(arg_key)) {}
         ~RemoveMod() override {}
         bool Perform(AnalyzerSet* set) override;
         void Abort() override {}
diff --git a/src/zeekygen/SpicyModuleInfo.h b/src/zeekygen/SpicyModuleInfo.h
index 8f71daf6a6..5db9d638dc 100644
--- a/src/zeekygen/SpicyModuleInfo.h
+++ b/src/zeekygen/SpicyModuleInfo.h
@@ -21,8 +21,8 @@ public:
      * @param name name of the Spicy EVT module.
      * @param description text describing the module further
      */
-    explicit SpicyModuleInfo(const std::string& name, const std::string& description)
-        : name(name), description(description) {}
+    explicit SpicyModuleInfo(std::string name, std::string description)
+        : name(std::move(name)), description(std::move(description)) {}
 
     /** @return textual description of the module */
     const auto& Description() const { return description; }