diff --git a/collects/mzlib/class.ss b/collects/mzlib/class.ss
index c2768f4..55e0f0d 100644
--- a/collects/mzlib/class.ss
+++ b/collects/mzlib/class.ss
@@ -1,3 +1,3 @@
 (module class mzscheme
   (require scheme/private/class-internal)
-  (provide-public-names))
\ No newline at end of file
+  (provide-public-names))
diff --git a/collects/mzlib/private/contract-arr-obj-helpers.ss b/collects/mzlib/private/contract-arr-obj-helpers.ss
index 71b3a11..74576c6 100644
--- a/collects/mzlib/private/contract-arr-obj-helpers.ss
+++ b/collects/mzlib/private/contract-arr-obj-helpers.ss
@@ -1109,4 +1109,4 @@
             (cond
               [(zero? i) null]
               [else (cons (- n i)
-                          (loop (- i 1)))])))))
\ No newline at end of file
+                          (loop (- i 1)))])))))
diff --git a/collects/mzlib/private/structure-helper.ss b/collects/mzlib/private/structure-helper.ss
index b0699a0..5128fe1 100644
--- a/collects/mzlib/private/structure-helper.ss
+++ b/collects/mzlib/private/structure-helper.ss
@@ -50,4 +50,4 @@
         (raise-syntax-error 'open-as "Unknown field" field))
       (make-rename-transformer (cdr hid))))
   
-  )
\ No newline at end of file
+  )
diff --git a/collects/mzlib/serialize.ss b/collects/mzlib/serialize.ss
index 78582d2..ed816f9 100644
--- a/collects/mzlib/serialize.ss
+++ b/collects/mzlib/serialize.ss
@@ -395,4 +395,4 @@
 	 (main stx))
        (lambda (stx)
 	 (context-check stx)
-	 (main/versions stx))))))
\ No newline at end of file
+	 (main/versions stx))))))