diff --git a/src/StateManager.h b/src/StateManager.h
index 8a1799f..894d61c 100644
--- a/src/StateManager.h
+++ b/src/StateManager.h
@@ -122,9 +122,8 @@ public:
 protected:
     Imp * imp;
 
-    class Matrix_less
+    struct Matrix_less
     {
-    public:
         bool operator () (const Matrix & m1, const Matrix & m2) const
         {
             // Note that we only care about the first 4 elements
@@ -180,9 +179,8 @@ public:
 protected:
     Imp * imp;
 
-    class Color_hash 
+    struct Color_hash 
     {
-    public:
         size_t operator () (const Color & color) const
         {
             if(color.transparent)
diff --git a/src/StringFormatter.h b/src/StringFormatter.h
index 2d34126..dd3f3c1 100644
--- a/src/StringFormatter.h
+++ b/src/StringFormatter.h
@@ -16,9 +16,8 @@ namespace pdf2htmlEX {
 class StringFormatter
 {
 public:
-    class GuardedPointer
+    struct GuardedPointer
     {
-    public:
         GuardedPointer(StringFormatter * sf) : sf(sf) { ++(sf->buf_cnt); }
         GuardedPointer(const GuardedPointer & gp) : sf(gp.sf) { ++(sf->buf_cnt); }
         ~GuardedPointer(void) { --(sf->buf_cnt); }
diff --git a/src/TmpFiles.h b/src/TmpFiles.h
index f036593..b7ad46c 100644
--- a/src/TmpFiles.h
+++ b/src/TmpFiles.h
@@ -18,10 +18,8 @@ public:
 private:
 	void clean();
 		
-private:
     const Param& param;
 	std::set<std::string> tmp_files;
-
 };
 
 } // namespace pdf2htmlEX