diff --git a/test/libsolidity/util/TestFileParser.cpp b/test/libsolidity/util/TestFileParser.cpp
index 83ad81f70..9fc37550f 100644
--- a/test/libsolidity/util/TestFileParser.cpp
+++ b/test/libsolidity/util/TestFileParser.cpp
@@ -489,28 +489,6 @@ string TestFileParser::parseString()
 	return literal;
 }
 
-namespace {
-string _readStream(istream& _stream)
-{
-        string ret;
-        while (!_stream.eof())
-        {
-                string tmp;
-                // NOTE: this will read until EOF or NL
-                getline(_stream, tmp);
-                ret.append(tmp);
-                ret.append("\n");
-        }
-        return ret;
-}
-}
-
-void TestFileParser::Scanner::readStream(istream& _stream)
-{
-	m_line = _readStream(_stream);
-	m_char = m_line.begin();
-}
-
 void TestFileParser::Scanner::scanNextToken()
 {
 	// Make code coverage happy.
diff --git a/test/libsolidity/util/TestFileParser.h b/test/libsolidity/util/TestFileParser.h
index ff28c432a..e2d0afbb1 100644
--- a/test/libsolidity/util/TestFileParser.h
+++ b/test/libsolidity/util/TestFileParser.h
@@ -16,6 +16,7 @@
 
 #include <liblangutil/Exceptions.h>
 #include <libsolutil/CommonData.h>
+#include <libsolutil/CommonIO.h>
 #include <test/libsolidity/util/SoltestTypes.h>
 
 #include <iosfwd>
@@ -71,10 +72,11 @@ private:
 	public:
 		/// Constructor that takes an input stream \param _stream to operate on.
 		/// It reads all lines into one single line, keeping the newlines.
-		Scanner(std::istream& _stream) { readStream(_stream); }
-
-		/// Reads input stream into a single line and resets the current iterator.
-		void readStream(std::istream& _stream);
+		Scanner(std::istream& _stream):
+			m_line(readStream(_stream))
+		{
+			m_char = m_line.begin();
+		}
 
 		/// Reads character stream and creates token.
 		void scanNextToken();