diff --git a/libevmasm/KnownState.cpp b/libevmasm/KnownState.cpp
index 73db60560..3d7c476fd 100644
--- a/libevmasm/KnownState.cpp
+++ b/libevmasm/KnownState.cpp
@@ -54,17 +54,17 @@ ostream& KnownState::stream(ostream& _out) const
 
 	_out << "=== State ===" << endl;
 	_out << "Stack height: " << dec << m_stackHeight << endl;
-	_out << "Equivalence classes: " << endl;
+	_out << "Equivalence classes:" << endl;
 	for (Id eqClass = 0; eqClass < m_expressionClasses->size(); ++eqClass)
 		streamExpressionClass(_out, eqClass);
 
-	_out << "Stack: " << endl;
+	_out << "Stack:" << endl;
 	for (auto const& it: m_stackElements)
 	{
 		_out << "  " << dec << it.first << ": ";
 		streamExpressionClass(_out, it.second);
 	}
-	_out << "Storage: " << endl;
+	_out << "Storage:" << endl;
 	for (auto const& it: m_storageContent)
 	{
 		_out << "  ";
@@ -72,7 +72,7 @@ ostream& KnownState::stream(ostream& _out) const
 		_out << ": ";
 		streamExpressionClass(_out, it.second);
 	}
-	_out << "Memory: " << endl;
+	_out << "Memory:" << endl;
 	for (auto const& it: m_memoryContent)
 	{
 		_out << "  ";
diff --git a/libsolidity/codegen/CompilerContext.cpp b/libsolidity/codegen/CompilerContext.cpp
index d6045ee20..3ec0124e3 100644
--- a/libsolidity/codegen/CompilerContext.cpp
+++ b/libsolidity/codegen/CompilerContext.cpp
@@ -438,7 +438,7 @@ void CompilerContext::appendInlineAssembly(
 		parserResult = std::move(obj.code);
 
 #ifdef SOL_OUTPUT_ASM
-		cout << "After optimizer: " << endl;
+		cout << "After optimizer:" << endl;
 		cout << yul::AsmPrinter()(*parserResult) << endl;
 #endif
 	}
diff --git a/solc/CommandLineInterface.cpp b/solc/CommandLineInterface.cpp
index 34b7c67c5..f85b8c3f9 100644
--- a/solc/CommandLineInterface.cpp
+++ b/solc/CommandLineInterface.cpp
@@ -271,7 +271,7 @@ void CommandLineInterface::handleBinary(string const& _contract)
 			createFile(m_compiler->filesystemFriendlyName(_contract) + ".bin", objectWithLinkRefsHex(m_compiler->object(_contract)));
 		else
 		{
-			sout() << "Binary: " << endl;
+			sout() << "Binary:" << endl;
 			sout() << objectWithLinkRefsHex(m_compiler->object(_contract)) << endl;
 		}
 	}
@@ -281,7 +281,7 @@ void CommandLineInterface::handleBinary(string const& _contract)
 			createFile(m_compiler->filesystemFriendlyName(_contract) + ".bin-runtime", objectWithLinkRefsHex(m_compiler->runtimeObject(_contract)));
 		else
 		{
-			sout() << "Binary of the runtime part: " << endl;
+			sout() << "Binary of the runtime part:" << endl;
 			sout() << objectWithLinkRefsHex(m_compiler->runtimeObject(_contract)) << endl;
 		}
 	}
@@ -293,7 +293,7 @@ void CommandLineInterface::handleOpcode(string const& _contract)
 		createFile(m_compiler->filesystemFriendlyName(_contract) + ".opcode", dev::eth::disassemble(m_compiler->object(_contract).bytecode));
 	else
 	{
-		sout() << "Opcodes: " << endl;
+		sout() << "Opcodes:" << endl;
 		sout() << std::uppercase << dev::eth::disassemble(m_compiler->object(_contract).bytecode);
 		sout() << endl;
 	}
@@ -307,7 +307,7 @@ void CommandLineInterface::handleIR(string const& _contractName)
 			createFile(m_compiler->filesystemFriendlyName(_contractName) + ".yul", m_compiler->yulIR(_contractName));
 		else
 		{
-			sout() << "IR: " << endl;
+			sout() << "IR:" << endl;
 			sout() << m_compiler->yulIR(_contractName) << endl;
 		}
 	}
@@ -327,7 +327,7 @@ void CommandLineInterface::handleEWasm(string const& _contractName)
 		}
 		else
 		{
-			sout() << "EWasm text: " << endl;
+			sout() << "EWasm text:" << endl;
 			sout() << m_compiler->eWasm(_contractName) << endl;
 			sout() << "EWasm binary (hex): " << m_compiler->eWasmObject(_contractName).toHex() << endl;
 		}
@@ -355,7 +355,7 @@ void CommandLineInterface::handleSignatureHashes(string const& _contract)
 	if (m_args.count(g_argOutputDir))
 		createFile(m_compiler->filesystemFriendlyName(_contract) + ".signatures", out);
 	else
-		sout() << "Function signatures: " << endl << out;
+		sout() << "Function signatures:" << endl << out;
 }
 
 void CommandLineInterface::handleMetadata(string const& _contract)
@@ -367,7 +367,7 @@ void CommandLineInterface::handleMetadata(string const& _contract)
 	if (m_args.count(g_argOutputDir))
 		createFile(m_compiler->filesystemFriendlyName(_contract) + "_meta.json", data);
 	else
-		sout() << "Metadata: " << endl << data << endl;
+		sout() << "Metadata:" << endl << data << endl;
 }
 
 void CommandLineInterface::handleABI(string const& _contract)
@@ -379,7 +379,7 @@ void CommandLineInterface::handleABI(string const& _contract)
 	if (m_args.count(g_argOutputDir))
 		createFile(m_compiler->filesystemFriendlyName(_contract) + ".abi", data);
 	else
-		sout() << "Contract JSON ABI " << endl << data << endl;
+		sout() << "Contract JSON ABI" << endl << data << endl;
 }
 
 void CommandLineInterface::handleNatspec(bool _natspecDev, string const& _contract)
@@ -563,7 +563,7 @@ bool CommandLineInterface::parseLibraryOption(string const& _input)
 				addrString = addrString.substr(2);
 			if (addrString.empty())
 			{
-				serr() << "Empty address provided for library \"" << libName << "\": " << endl;
+				serr() << "Empty address provided for library \"" << libName << "\":" << endl;
 				serr() << "Note that there should not be any whitespace after the colon." << endl;
 				return false;
 			}
diff --git a/test/tools/yulopti.cpp b/test/tools/yulopti.cpp
index ce3f70762..e77cbf02b 100644
--- a/test/tools/yulopti.cpp
+++ b/test/tools/yulopti.cpp
@@ -141,7 +141,7 @@ public:
 			cout << "  (e)xpr inline/(i)nline/(s)implify/varname c(l)eaner/(u)nusedprune/ss(a) transform/" << endl;
 			cout << "  (r)edundant assign elim./re(m)aterializer/f(o)r-loop-init-rewriter/for-loop-condition-(I)nto-body/" << endl;
 			cout << "  for-loop-condition-(O)ut-of-body/s(t)ructural simplifier/equi(v)alent function combiner/ssa re(V)erser/" << endl;
-			cout << "  co(n)trol flow simplifier/stack com(p)ressor/(D)ead code eliminator/(L)oad resolver/ " << endl;
+			cout << "  co(n)trol flow simplifier/stack com(p)ressor/(D)ead code eliminator/(L)oad resolver/" << endl;
 			cout << "  (C)onditional simplifier?" << endl;
 			cout.flush();
 			int option = readStandardInputChar();