diff --git a/solc/CommandLineInterface.cpp b/solc/CommandLineInterface.cpp
index 549991d61..275451114 100644
--- a/solc/CommandLineInterface.cpp
+++ b/solc/CommandLineInterface.cpp
@@ -551,13 +551,7 @@ bool CommandLineInterface::processInput()
 	}
 	case InputMode::Assembler:
 	{
-		return assemble(
-			m_options.assembly.inputLanguage,
-			m_options.assembly.targetMachine,
-			m_options.optimizer.enabled,
-			m_options.optimizer.expectedExecutionsPerDeployment,
-			m_options.optimizer.yulSteps
-		);
+		return assemble(m_options.assembly.inputLanguage, m_options.assembly.targetMachine);
 	}
 	case InputMode::Linker:
 		return link();
@@ -595,16 +589,7 @@ bool CommandLineInterface::compile()
 		m_compiler->enableIRGeneration(m_options.compiler.outputs.ir || m_options.compiler.outputs.irOptimized);
 		m_compiler->enableEwasmGeneration(m_options.compiler.outputs.ewasm);
 
-		OptimiserSettings settings = m_options.optimizer.enabled ? OptimiserSettings::standard() : OptimiserSettings::minimal();
-		if (m_options.optimizer.expectedExecutionsPerDeployment.has_value())
-			settings.expectedExecutionsPerDeployment = m_options.optimizer.expectedExecutionsPerDeployment.value();
-		if (m_options.optimizer.noOptimizeYul)
-			settings.runYulOptimiser = false;
-
-		if (m_options.optimizer.yulSteps.has_value())
-			settings.yulOptimiserSteps = m_options.optimizer.yulSteps.value();
-		settings.optimizeStackAllocation = settings.runYulOptimiser;
-		m_compiler->setOptimiserSettings(settings);
+		m_compiler->setOptimiserSettings(m_options.optimiserSettings());
 
 		if (m_options.input.mode == InputMode::CompilerWithASTImport)
 		{
@@ -939,27 +924,21 @@ string CommandLineInterface::objectWithLinkRefsHex(evmasm::LinkerObject const& _
 	return out;
 }
 
-bool CommandLineInterface::assemble(
-	yul::AssemblyStack::Language _language,
-	yul::AssemblyStack::Machine _targetMachine,
-	bool _optimize,
-	optional<unsigned int> _expectedExecutionsPerDeployment,
-	optional<string> _yulOptimiserSteps
-)
+bool CommandLineInterface::assemble(yul::AssemblyStack::Language _language, yul::AssemblyStack::Machine _targetMachine)
 {
-	solAssert(_optimize || !_yulOptimiserSteps.has_value(), "");
-
 	bool successful = true;
 	map<string, yul::AssemblyStack> assemblyStacks;
 	for (auto const& src: m_fileReader.sourceCodes())
 	{
-		OptimiserSettings settings = _optimize ? OptimiserSettings::full() : OptimiserSettings::minimal();
-		if (_expectedExecutionsPerDeployment.has_value())
-			settings.expectedExecutionsPerDeployment = _expectedExecutionsPerDeployment.value();
-		if (_yulOptimiserSteps.has_value())
-			settings.yulOptimiserSteps = _yulOptimiserSteps.value();
+		// --no-optimize-yul option is not accepted in assembly mode.
+		solAssert(!m_options.optimizer.noOptimizeYul, "");
+
+		auto& stack = assemblyStacks[src.first] = yul::AssemblyStack(
+			m_options.output.evmVersion,
+			_language,
+			m_options.optimiserSettings()
+		);
 
-		auto& stack = assemblyStacks[src.first] = yul::AssemblyStack(m_options.output.evmVersion, _language, settings);
 		try
 		{
 			if (!stack.parseAndAnalyze(src.first, src.second))
diff --git a/solc/CommandLineInterface.h b/solc/CommandLineInterface.h
index 488ec1d71..582b8f2a4 100644
--- a/solc/CommandLineInterface.h
+++ b/solc/CommandLineInterface.h
@@ -74,13 +74,7 @@ private:
 	/// @returns the full object with library placeholder hints in hex.
 	static std::string objectWithLinkRefsHex(evmasm::LinkerObject const& _obj);
 
-	bool assemble(
-		yul::AssemblyStack::Language _language,
-		yul::AssemblyStack::Machine _targetMachine,
-		bool _optimize,
-		std::optional<unsigned int> _expectedExecutionsPerDeployment = std::nullopt,
-		std::optional<std::string> _yulOptimiserSteps = std::nullopt
-	);
+	bool assemble(yul::AssemblyStack::Language _language, yul::AssemblyStack::Machine _targetMachine);
 
 	void outputCompilationResults();
 
diff --git a/solc/CommandLineParser.cpp b/solc/CommandLineParser.cpp
index 547bba399..bccd95a0b 100644
--- a/solc/CommandLineParser.cpp
+++ b/solc/CommandLineParser.cpp
@@ -302,6 +302,29 @@ bool CommandLineOptions::operator==(CommandLineOptions const& _other) const noex
 		modelChecker.settings == _other.modelChecker.settings;
 }
 
+OptimiserSettings CommandLineOptions::optimiserSettings() const
+{
+	OptimiserSettings settings;
+
+	if (optimizer.enabled && input.mode == InputMode::Assembler)
+		settings = OptimiserSettings::full();
+	else if (optimizer.enabled)
+		settings = OptimiserSettings::standard();
+	else
+		settings = OptimiserSettings::minimal();
+
+	if (optimizer.noOptimizeYul)
+		settings.runYulOptimiser = false;
+
+	if (optimizer.expectedExecutionsPerDeployment.has_value())
+		settings.expectedExecutionsPerDeployment = optimizer.expectedExecutionsPerDeployment.value();
+
+	if (optimizer.yulSteps.has_value())
+		settings.yulOptimiserSteps = optimizer.yulSteps.value();
+
+	return settings;
+}
+
 bool CommandLineParser::parseInputPathsAndRemappings()
 {
 	m_options.input.ignoreMissingFiles = (m_args.count(g_strIgnoreMissingFiles) > 0);
@@ -988,19 +1011,9 @@ General Information)").c_str(),
 	if (!m_args[g_strOptimizeRuns].defaulted())
 		m_options.optimizer.expectedExecutionsPerDeployment = m_args.at(g_strOptimizeRuns).as<unsigned>();
 
-	OptimiserSettings optimiserSettings;
-	if (m_options.optimizer.enabled && m_options.input.mode == InputMode::Assembler)
-		optimiserSettings = OptimiserSettings::full();
-	else if (m_options.optimizer.enabled)
-		optimiserSettings = OptimiserSettings::standard();
-	else
-		optimiserSettings = OptimiserSettings::minimal();
-
-	if (m_options.optimizer.noOptimizeYul)
-		optimiserSettings.runYulOptimiser = false;
-
 	if (m_args.count(g_strYulOptimizations))
 	{
+		OptimiserSettings optimiserSettings = m_options.optimiserSettings();
 		if (!optimiserSettings.runYulOptimiser)
 		{
 			serr() << "--" << g_strYulOptimizations << " is invalid if Yul optimizer is disabled" << endl;
diff --git a/solc/CommandLineParser.h b/solc/CommandLineParser.h
index 423dacb5f..ac80f6f0d 100644
--- a/solc/CommandLineParser.h
+++ b/solc/CommandLineParser.h
@@ -102,6 +102,7 @@ struct CommandLineOptions
 	bool operator==(CommandLineOptions const& _other) const noexcept;
 	bool operator!=(CommandLineOptions const& _other) const noexcept { return !(*this == _other); }
 
+	OptimiserSettings optimiserSettings() const;
 
 	struct
 	{
@@ -169,7 +170,6 @@ struct CommandLineOptions
 		bool initialize = false;
 		ModelCheckerSettings settings;
 	} modelChecker;
-
 };
 
 /// Parses the command-line arguments and produces a filled-out CommandLineOptions structure.