diff --git a/phosphor-regulators/src/actions/compare_presence_action.hpp b/phosphor-regulators/src/actions/compare_presence_action.hpp
index b2c7880..b16c98f 100644
--- a/phosphor-regulators/src/actions/compare_presence_action.hpp
+++ b/phosphor-regulators/src/actions/compare_presence_action.hpp
@@ -18,8 +18,6 @@
 #include "action.hpp"
 #include "action_environment.hpp"
 
-#include <ios>
-#include <sstream>
 #include <string>
 
 namespace phosphor::power::regulators
@@ -57,16 +55,10 @@
     /**
      * Executes this action.
      *
-     * TODO: Not implemented yet
-     *
      * @param environment Action execution environment.
      * @return true
      */
-    virtual bool execute(ActionEnvironment& /* environment */) override
-    {
-        // TODO: Not implemented yet
-        return true;
-    }
+    virtual bool execute(ActionEnvironment& environment) override;
 
     /**
      * Returns the Field-Replaceable Unit (FRU).
@@ -93,17 +85,7 @@
      *
      * @return description of action
      */
-    virtual std::string toString() const override
-    {
-        std::ostringstream ss;
-        ss << "compare_presence: { ";
-
-        ss << "fru: " << fru << ", ";
-
-        ss << "value: " << std::boolalpha << value << " }";
-
-        return ss.str();
-    }
+    virtual std::string toString() const override;
 
   private:
     /**