diff --git a/src/mathlib.cpp b/src/mathlib.cpp
index 76760cc02..446ed68d5 100644
--- a/src/mathlib.cpp
+++ b/src/mathlib.cpp
@@ -1,3 +1,24 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
+ * Leandro Penz, Kimmo Varis, Vesa Pikki, Nguyen Duong Tuan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/
+ */
+
+
+
 #include "mathlib.h"
 
 
@@ -69,22 +90,4 @@ bool MathLib::isGreater(const std::string &first, const std::string &second)
     return toNumber(first) > toNumber(second);
 }
 
-bool MathLib::isEqual(const std::string &first, const std::string &second)
-{
-    return toNumber(first) == toNumber(second);
-}
-
-bool MathLib::isLess(const std::string &first, const std::string &second)
-{
-    return toNumber(first) < toNumber(second);
-}
-
-int MathLib::compare(const std::string &first, const std::string &second)
-{
-    if (toNumber(first) < toNumber(second))
-        return -1;
-    if (toNumber(first) == toNumber(second))
-        return 0;
-    return 1;
-}
 
diff --git a/src/mathlib.h b/src/mathlib.h
index 9816b3a3b..202267cc5 100644
--- a/src/mathlib.h
+++ b/src/mathlib.h
@@ -1,3 +1,23 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
+ * Leandro Penz, Kimmo Varis, Vesa Pikki, Nguyen Duong Tuan
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/
+ */
+
+
 #ifndef mathlibH
 #define mathlibH
 
@@ -18,9 +38,6 @@ public:
     static std::string tan(const std::string & tok);
     static std::string abs(const std::string & tok);
     static bool isGreater(const std::string & first, const std::string & second);
-    static bool isEqual(const std::string & first, const std::string & second);
-    static bool isLess(const std::string & first, const std::string & second);
-    static int compare(const std::string & first, const std::string & second);
 };
 
 #endif