diff --git a/collects/math/scribblings/math-number-theory.scrbl b/collects/math/scribblings/math-number-theory.scrbl
index b56180492b..702060fe34 100644
--- a/collects/math/scribblings/math-number-theory.scrbl
+++ b/collects/math/scribblings/math-number-theory.scrbl
@@ -409,6 +409,7 @@ This function is known as Eulers totient or phi function.
 Note: The function @racket[totient] is multiplicative.
 
 @interaction[#:eval untyped-eval
+                    (require racket/function) ; for curry
                     (totient 9)
                     (length (filter (curry coprime? 9) (range 10)))]
 
diff --git a/collects/math/tests/matrix-tests.rkt b/collects/math/tests/matrix-tests.rkt
index af8a66af29..3663945fc0 100644
--- a/collects/math/tests/matrix-tests.rkt
+++ b/collects/math/tests/matrix-tests.rkt
@@ -372,4 +372,3 @@
          (equal? (matrix* (matrix-2d-orthogonal-projection 1 0) e2) O)
          (equal? (matrix* (matrix-2d-orthogonal-projection 0 1) e1) O)
          (equal? (matrix* (matrix-2d-orthogonal-projection 0 1) e2) e2))))))
-