diff --git a/include/GL/gl.h b/include/GL/gl.h
index 4450158..07b5953 100644
--- a/include/GL/gl.h
+++ b/include/GL/gl.h
@@ -15,8 +15,6 @@
  * For a full copy of the GNU General Public License see the LICENSE file.
  */
 
-// this file matches the top of `OpenGL.hpp` provided by DPF
-
 #pragma once
 
 #ifdef HEADLESS
diff --git a/include/mingw-compat/cstdio b/include/mingw-compat/cstdio
index 28cecb7..ed01637 100644
--- a/include/mingw-compat/cstdio
+++ b/include/mingw-compat/cstdio
@@ -44,9 +44,11 @@ static inline void printf() {}
 # define printf STDIO_OVERRIDE_MACRO(STDIO_OVERRIDE, printf)
 
 // step 6: place the macro prefixed names in std namespace
+/*
 namespace std {
     using ::printf;
 }
+*/
 
 // extra, there might be warnings for GCC format attribute, ignore those
 #pragma GCC diagnostic ignored "-Wformat"