diff --git a/impls/io/step8_macros.io b/impls/io/step8_macros.io
index d7e55b4eee..2005cc51cf 100644
--- a/impls/io/step8_macros.io
+++ b/impls/io/step8_macros.io
@@ -92,8 +92,6 @@ EVAL := method(ast, env,
                     continue, // TCO
                 "defmacro!",
                     return(env set(ast at(1), EVAL(ast at(2), env) clone setIsMacro(true))),
-                "macroexpand",
-                    return(macroexpand(ast at(1), env))
             )
         )
 
diff --git a/impls/io/step9_try.io b/impls/io/step9_try.io
index b4e8d87236..9d788cd3d0 100644
--- a/impls/io/step9_try.io
+++ b/impls/io/step9_try.io
@@ -92,8 +92,6 @@ EVAL := method(ast, env,
                     continue, // TCO
                 "defmacro!",
                     return(env set(ast at(1), EVAL(ast at(2), env) clone setIsMacro(true))),
-                "macroexpand",
-                    return(macroexpand(ast at(1), env)),
                 "try*",
                     if(ast at(2) == nil, return(EVAL(ast at(1), env)))
                     e := try(result := EVAL(ast at(1), env))
diff --git a/impls/io/stepA_mal.io b/impls/io/stepA_mal.io
index de183e48a8..f934fea295 100644
--- a/impls/io/stepA_mal.io
+++ b/impls/io/stepA_mal.io
@@ -92,8 +92,6 @@ EVAL := method(ast, env,
                     continue, // TCO
                 "defmacro!",
                     return(env set(ast at(1), EVAL(ast at(2), env) clone setIsMacro(true))),
-                "macroexpand",
-                    return(macroexpand(ast at(1), env)),
                 "try*",
                     if(ast at(2) == nil, return(EVAL(ast at(1), env)))
                     e := try(result := EVAL(ast at(1), env))