4 files changed, 8 insertions, 11 deletions
diff --git a/lib/zambyte/meta/180.scm b/lib/zambyte/meta/180.scm
index de9e2dd..1010614 100644
--- a/lib/zambyte/meta/180.scm
+++ b/lib/zambyte/meta/180.scm
@@ -1,6 +1,5 @@
 (import (except (srfi 180) json-null)
-	(srfi 1)
-	(srfi 2))
+	(srfi 1))
 (begin
   (define (json-object . pairs)
     (map
diff --git a/lib/zambyte/meta/chibi.scm b/lib/zambyte/meta/chibi.scm
index 286240d..d7a7783 100644
--- a/lib/zambyte/meta/chibi.scm
+++ b/lib/zambyte/meta/chibi.scm
@@ -1,6 +1,5 @@
 (import (chibi json)
-	(srfi 1)
-	(srfi 2))
+	(srfi 1))
 (begin
   (define (json-object . pairs)
     (map
diff --git a/lib/zambyte/meta/guile.scm b/lib/zambyte/meta/guile.scm
index 96968d6..1e41f9c 100644
--- a/lib/zambyte/meta/guile.scm
+++ b/lib/zambyte/meta/guile.scm
@@ -1,6 +1,5 @@
 (import (json)
-	(srfi 1)
-	(srfi 2))
+	(srfi 1))
 (begin
   (define json-object list)
   (define json-list vector)
@@ -18,9 +17,10 @@
   (define json->string scm->json-string)
 
   (define (json-object-ref json key)
-    (or (and-let* ((pair (assoc key json)))
-	  (cdr pair))
-	((json-key-not-found))))
+    (let ((pair (assoc key json)))
+      (if pair
+	  (cdr pair)
+	  ((json-key-not-found)))))
 
   (define json-list-ref vector-ref)
   (define json-list-length vector-length)
diff --git a/lib/zambyte/meta/sagittarius.scm b/lib/zambyte/meta/sagittarius.scm
index e8d82ae..90d5f0b 100644
--- a/lib/zambyte/meta/sagittarius.scm
+++ b/lib/zambyte/meta/sagittarius.scm
@@ -1,6 +1,5 @@
 (import (text json)
-	(srfi 1)
-	(srfi 2))
+	(srfi 1))
 (begin
   (define (json-object . pairs)
     (if (eq? (*json-map-type*) 'vector)