diff --git a/tests/atlocal.in b/tests/atlocal.in
index f48bb575..836f3719 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -140,13 +140,3 @@ export LC_CTYPE
 
 # Empty if no xsltproc was found
 : ${XSLTPROC='@XSLTPROC@'}
-
-# Don't just check if $POSIXLY_CORRECT is set, as Bash, when launched
-# as /bin/sh, sets the shell variable POSIXLY_CORRECT to y, but not
-# the environment variable.
-: ${C_COMPILER_POSIXLY_CORRECT='@C_COMPILER_POSIXLY_CORRECT@'}
-if env | grep '^POSIXLY_CORRECT=' >/dev/null; then
-  POSIXLY_CORRECT_IS_EXPORTED=true
-else
-  POSIXLY_CORRECT_IS_EXPORTED=false
-fi