diff --git a/modules/gmt/modgmt_strcomp.h b/modules/gmt/modgmt_strcomp.h
index 143822c..37eb36a 100644
--- a/modules/gmt/modgmt_strcomp.h
+++ b/modules/gmt/modgmt_strcomp.h
@@ -1,9 +1,10 @@
-#include <iostream>
+#ifndef MODGMT_STRCOMP_H
+#define MODGMT_STRCOMP_H
 #include <memory>
 #include <set>
 #include <string>
-#include <vector>
 
+// Compare string with template
 class TemplateComparator
 {
  TemplateComparator() = delete;
@@ -47,6 +48,12 @@ class TemplateComparator
  Cursors cursors;
  const std::string s;
 
+ void Reset()
+ {
+  cursors.clear();
+  InitCursors(root.get());
+ }
+
  public:
  TemplateComparator(const char* str):s(str) {root=Parse();}
  TemplateComparator(const std::string& str):s(str) {root=Parse();}
@@ -58,10 +65,6 @@ class TemplateComparator
   for(size_t pos=0; pos<str.length(); ++pos) if(!CmpSmb(str[pos])) return false;
   return true;
  }
-
- void Reset()
- {
-  cursors.clear();
-  InitCursors(root.get());
- }
 };
+
+#endif