diff --git a/configure.ac b/configure.ac
index 5c9bd3276b2..c75eb9fb371 100644
--- a/configure.ac
+++ b/configure.ac
@@ -383,7 +383,6 @@ dnl ----------------------------------------------------------------------------
 
 dnl QNX requires unix.h to allow functions in libunix to work properly.
 AC_CHECK_HEADERS([ \
-stdint.h \
 dirent.h \
 sys/param.h \
 sys/types.h \