diff --git a/src/util/system.cpp b/src/util/system.cpp
index 3ddb69e82b..b9b1312646 100644
--- a/src/util/system.cpp
+++ b/src/util/system.cpp
@@ -359,25 +359,6 @@ const std::set<std::string> ArgsManager::GetUnsuitableSectionOnlyArgs() const
     return unsuitables;
 }
 
-
-const std::set<std::string> ArgsManager::GetUnrecognizedSections() const
-{
-    // Section names to be recognized in the config file.
-    static const std::set<std::string> available_sections{
-        CBaseChainParams::REGTEST,
-        CBaseChainParams::TESTNET,
-        CBaseChainParams::MAIN
-    };
-    std::set<std::string> diff;
-
-    LOCK(cs_args);
-    std::set_difference(
-        m_config_sections.begin(), m_config_sections.end(),
-        available_sections.begin(), available_sections.end(),
-        std::inserter(diff, diff.end()));
-    return diff;
-}
-
 void ArgsManager::SelectConfigNetwork(const std::string& network)
 {
     LOCK(cs_args);
diff --git a/src/util/system.h b/src/util/system.h
index d85b2dbcb5..6372acd148 100644
--- a/src/util/system.h
+++ b/src/util/system.h
@@ -171,11 +171,6 @@ class ArgsManager
      */
     const std::set<std::string> GetUnsuitableSectionOnlyArgs() const;
 
-    /**
-     * Log warnings for unrecognized section names in the config file.
-     */
-    const std::set<std::string> GetUnrecognizedSections() const;
-
     /**
      * Return a vector of strings of the given argument
      *