diff --git a/extra/crypto/rsa/rsa.factor b/extra/crypto/rsa/rsa.factor
index 1da170d197..50ea84fd39 100644
--- a/extra/crypto/rsa/rsa.factor
+++ b/extra/crypto/rsa/rsa.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: math.primes.miller-rabin kernel math math.functions
-namespaces sequences accessors ;
+USING: math.primes kernel math math.functions namespaces
+sequences accessors ;
 IN: crypto.rsa
 
 ! The private key is the only secret.
diff --git a/extra/random/blum-blum-shub/blum-blum-shub.factor b/extra/random/blum-blum-shub/blum-blum-shub.factor
index 4a52a2f79c..8229abca69 100755
--- a/extra/random/blum-blum-shub/blum-blum-shub.factor
+++ b/extra/random/blum-blum-shub/blum-blum-shub.factor
@@ -1,5 +1,5 @@
-USING: kernel math sequences namespaces
-math.primes.miller-rabin math.functions accessors random ;
+USING: kernel math sequences namespaces math.primes
+math.functions accessors random ;
 IN: random.blum-blum-shub
 
 ! Blum Blum Shub, n = pq, x_i+1 = x_i ^ 2 mod n