--- a/configure.ac
+++ b/configure.ac
@@ -339,15 +339,6 @@
             [AC_MSG_RESULT(no)])
         CFLAGS="${TMPCFLAGS}"
 
-        #compile-time best-practices errors for certain libc functions, provides checks of buffer lengths and memory regions
-        AC_MSG_CHECKING(for -D_FORTIFY_SOURCE=2)
-        TMPCFLAGS="${CFLAGS}"
-        CFLAGS="${CFLAGS} -D_FORTIFY_SOURCE=2"
-        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[SECCFLAGS="${SECCFLAGS} -D_FORTIFY_SOURCE=2"
-            AC_MSG_RESULT(yes)],
-            [AC_MSG_RESULT(no)])
-        CFLAGS="${TMPCFLAGS}"
-
         #compile-time warnings about misuse of format strings
         AC_MSG_CHECKING(for -Wformat -Wformat-security)
         TMPCFLAGS="${CFLAGS}"