diff --git a/userspace/engine/falco_engine.cpp b/userspace/engine/falco_engine.cpp
index da1b234f..c51a7afd 100644
--- a/userspace/engine/falco_engine.cpp
+++ b/userspace/engine/falco_engine.cpp
@@ -164,13 +164,6 @@ void falco_engine::list_fields(std::string &source, bool verbose, bool names_onl
 }
 
 void falco_engine::load_rules(const string &rules_content, bool verbose, bool all_events)
-{
-	uint64_t dummy;
-
-	return load_rules(rules_content, verbose, all_events, dummy);
-}
-
-void falco_engine::load_rules(const string &rules_content, bool verbose, bool all_events, uint64_t &required_engine_version)
 {
 	rule_loader::configuration cfg(rules_content, m_sources);
 	cfg.min_priority = m_min_priority;
@@ -217,13 +210,6 @@ void falco_engine::load_rules(const string &rules_content, bool verbose, bool al
 }
 
 void falco_engine::load_rules_file(const string &rules_filename, bool verbose, bool all_events)
-{
-	uint64_t dummy;
-
-	return load_rules_file(rules_filename, verbose, all_events, dummy);
-}
-
-void falco_engine::load_rules_file(const string &rules_filename, bool verbose, bool all_events, uint64_t &required_engine_version)
 {
 	ifstream is;
 
@@ -238,7 +224,7 @@ void falco_engine::load_rules_file(const string &rules_filename, bool verbose, b
 	string rules_content((istreambuf_iterator<char>(is)),
 			     istreambuf_iterator<char>());
 
-	load_rules(rules_content, verbose, all_events, required_engine_version);
+	load_rules(rules_content, verbose, all_events);
 }
 
 void falco_engine::enable_rule(const string &substring, bool enabled, const string &ruleset)
@@ -339,7 +325,7 @@ unique_ptr<falco_engine::rule_result> falco_engine::process_event(std::size_t so
 	{
 		return unique_ptr<struct rule_result>();
 	}
-	
+
 	unique_ptr<struct rule_result> res(new rule_result());
 	res->evt = ev;
 	res->rule = rule.name;
@@ -441,8 +427,8 @@ bool falco_engine::check_plugin_requirements(
 					if (!plugin_version.check(req_version))
 					{
 						err = "Plugin '" + plugin.name
-						+ "' version '" + plugin.version 
-						+ "' is not compatible with required plugin version '" 
+						+ "' version '" + plugin.version
+						+ "' is not compatible with required plugin version '"
 						+ reqver + "'";
 						return false;
 					}
diff --git a/userspace/engine/falco_engine.h b/userspace/engine/falco_engine.h
index 81a307b7..44fe1489 100644
--- a/userspace/engine/falco_engine.h
+++ b/userspace/engine/falco_engine.h
@@ -63,13 +63,6 @@ public:
 	void load_rules_file(const std::string &rules_filename, bool verbose, bool all_events);
 	void load_rules(const std::string &rules_content, bool verbose, bool all_events);
 
-	//
-	// Identical to above, but also returns the required engine version for the file/content.
-	// (If no required engine version is specified, returns 0).
-	//
-	void load_rules_file(const std::string &rules_filename, bool verbose, bool all_events, uint64_t &required_engine_version);
-	void load_rules(const std::string &rules_content, bool verbose, bool all_events, uint64_t &required_engine_version);
-
 	//
 	// Enable/Disable any rules matching the provided substring.
 	// If the substring is "", all rules are enabled/disabled.
diff --git a/userspace/falco/app_actions/load_rules_files.cpp b/userspace/falco/app_actions/load_rules_files.cpp
index 000a15a5..8722d8d6 100644
--- a/userspace/falco/app_actions/load_rules_files.cpp
+++ b/userspace/falco/app_actions/load_rules_files.cpp
@@ -96,16 +96,14 @@ application::run_result application::load_rules_files()
 	for (const auto& filename : m_state->config->m_loaded_rules_filenames)
 	{
 		falco_logger::log(LOG_INFO, "Loading rules from file " + filename + "\n");
-		uint64_t required_engine_version;
 
 		try {
-			m_state->engine->load_rules_file(filename, m_options.verbose, m_options.all_events, required_engine_version);
+			m_state->engine->load_rules_file(filename, m_options.verbose, m_options.all_events);
 		}
 		catch(falco_exception &e)
 		{
 			return run_result::fatal(string("Could not load rules file ") + filename + ": " + e.what());
 		}
-		m_state->required_engine_versions[filename] = required_engine_version;
 	}
 
 	// Ensure that all plugins are compatible with the loaded set of rules
diff --git a/userspace/falco/app_actions/print_support.cpp b/userspace/falco/app_actions/print_support.cpp
index 33ecdfa3..d4ff0e9a 100644
--- a/userspace/falco/app_actions/print_support.cpp
+++ b/userspace/falco/app_actions/print_support.cpp
@@ -58,7 +58,6 @@ application::run_result application::print_support()
 			nlohmann::json finfo;
 			finfo["name"] = filename;
 			nlohmann::json variant;
-			variant["required_engine_version"] = m_state->required_engine_versions[filename];
 			variant["content"] = read_file(filename);
 			finfo["variants"].push_back(variant);
 			support["rules_files"].push_back(finfo);
diff --git a/userspace/falco/application.h b/userspace/falco/application.h
index d87f136d..a981d01e 100644
--- a/userspace/falco/application.h
+++ b/userspace/falco/application.h
@@ -81,8 +81,6 @@ private:
 		// from event source to filtercheck list.
 		std::map<std::string, filter_check_list> plugin_filter_checks;
 
-		std::map<string,uint64_t> required_engine_versions;
-
 		std::string cmdline;
 
 #ifndef MINIMAL_BUILD