diff --git a/ChangeLog b/ChangeLog
index d096a28fb7a0a1380e02f5b95ef48f68e5a1a78f..00d9f63b12361fed6a565ec4390c81f98df55f56 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2012-03-23  Niels Möller  <nisse@lysator.liu.se>
+
+	* arcfour.h (arcfour_stream): Deleted obsolete prototype.
+
 2012-03-05  Niels Möller  <nisse@lysator.liu.se>
 
 	* configure.ac (enable_shared): Build shared libraries by default.
diff --git a/arcfour.h b/arcfour.h
index 44152075d26b22c93d2e1a0fb647a95453953936..9259f3a5c18f2cd51ec595448284a8b6e117db82 100644
--- a/arcfour.h
+++ b/arcfour.h
@@ -58,10 +58,6 @@ arcfour_crypt(struct arcfour_ctx *ctx,
 	      unsigned length, uint8_t *dst,
 	      const uint8_t *src);
 
-void
-arcfour_stream(struct arcfour_ctx *ctx,
-	       unsigned length, uint8_t *dst);
-
 #ifdef __cplusplus
 }
 #endif