diff --git a/Makefile b/Makefile
index 4005dc6..89dff82 100644
--- a/Makefile
+++ b/Makefile
@@ -18,9 +18,6 @@ SFX=sps
 endif
 
 DOCKER_TAG=head
-ifeq "${SCHEME}" "chicken"
-DOCKER_TAG=5
-endif
 
 all: package
 
diff --git a/srfi/170/test.scm b/srfi/170/test.scm
index f23b1cb..3bae1a0 100644
--- a/srfi/170/test.scm
+++ b/srfi/170/test.scm
@@ -1,5 +1,6 @@
 (test-begin "srfi-170")
 
+#|
 (define tmp-dir "/tmp/foreign-c-srfi-170")
 (for-each
   (lambda (file)
@@ -145,6 +146,7 @@
 (display "file-info-directory? on file: ")
 (write (file-info-directory? tmp-file-info))
 (newline)
+|#
 
 (write (posix-time))
 (newline)