diff --git a/docs/api/scheme/cyclone/cgen.md b/docs/api/scheme/cyclone/cgen.md
index 8a34f4b8..cdb7d3a8 100644
--- a/docs/api/scheme/cyclone/cgen.md
+++ b/docs/api/scheme/cyclone/cgen.md
@@ -2,6 +2,8 @@
 
 The `(scheme cyclone cgen)` library compiles scheme code to a Cheney-on-the-MTA C runtime.
 
+*This library is used internally by the compiler and its API may change at any time.*
+
 - [`mta:code-gen`](#mtacode-gen)
 - [`emit`](#emit)
 - [`emit*`](#emit-1)
@@ -45,4 +47,3 @@ Call `emits` for each of the given strings.
 
 `display` a newline to the current output port.
 
-
diff --git a/docs/api/scheme/cyclone/common.md b/docs/api/scheme/cyclone/common.md
index c28becb6..754140e4 100644
--- a/docs/api/scheme/cyclone/common.md
+++ b/docs/api/scheme/cyclone/common.md
@@ -2,6 +2,8 @@
 
 The `(scheme cyclone common)` library contains definitions used by the compiler and interpreter.
 
+*This library is used internally by the compiler and its API may change at any time.*
+
 - [`*Cyc-version-banner*`](#cyc-version-banner)
 - [`*version*`](#version)
 - [`*version-number*`](#version-number)
diff --git a/docs/api/scheme/cyclone/macros.md b/docs/api/scheme/cyclone/macros.md
deleted file mode 100644
index 264ba047..00000000
--- a/docs/api/scheme/cyclone/macros.md
+++ /dev/null
@@ -1,29 +0,0 @@
-# Macro Library
-
-The `(scheme cyclone macro)` library contains code to deal with macros.
-
-- [`define-syntax?`](#define-syntax)
-- [`macro:macro?`](#macromacro)
-- [`macro:expand`](#macroexpand)
-- [`macro:add!`](#macroadd)
-- [`macro:cleanup`](#macrocleanup)
-- [`macro:load-env!`](#macroload-env)
-- [`macro:get-env`](#macroget-env)
-- [`macro:get-defined-macros`](#macroget-defined-macros)
-
-# define-syntax?
-
-# macro:macro?
-
-# macro:expand
-
-# macro:add!
-
-# macro:cleanup
-
-# macro:load-env!
-
-# macro:get-env
-
-# macro:get-defined-macros
-