diff --git a/define.rkt b/define.rkt
index 13d6cb0..1e10e59 100644
--- a/define.rkt
+++ b/define.rkt
@@ -9,7 +9,8 @@
   trivial/private/set-bang
   (for-syntax
     trivial/private/common
-    racket/base)
+    syntax/parse
+    typed/racket/base)
   (only-in trivial/private/math
     num-define
     num-let)
@@ -25,6 +26,7 @@
     (or (num-define stx)
         (rx-define stx)
         (vec-define stx)))))
+
 (define-syntax let: (make-keyword-alias 'let
   (lambda (stx)
     (or (num-let stx)
diff --git a/define/no-colon.rkt b/define/no-colon.rkt
index cbc9b17..7299d83 100644
--- a/define/no-colon.rkt
+++ b/define/no-colon.rkt
@@ -1,6 +1,4 @@
 #lang typed/racket/base
 
-;; TODO Can't yet remove the colon from define: and let:, its breaking things
-
-(provide (all-from-out trivial/define))
+(provide (rename-out [define: define] [let: let]))
 (require trivial/define)
diff --git a/private/common.rkt b/private/common.rkt
index c0278b3..cd1d386 100644
--- a/private/common.rkt
+++ b/private/common.rkt
@@ -29,10 +29,9 @@
   racket/syntax
   syntax/parse
   syntax/id-table
-  (for-syntax (only-in typed/racket/base let let-syntax #%app))
   (for-template
-    (prefix-in r: (only-in racket/base quote))
-    (prefix-in tr: (only-in typed/racket/base quote))))
+    (prefix-in tr: (only-in typed/racket/base define let let-syntax quote set!))
+    (prefix-in r: (only-in racket/base quote))))
 
 ;; =============================================================================
 
@@ -97,10 +96,9 @@
         #:when (syntax-e (syntax/loc stx v+))
         #:with m (f-parse (syntax/loc stx v+))
         #:when (syntax-e (syntax/loc stx m))
-        #:with define-stx (format-id stx "define")
         (free-id-table-set! tbl #'name (syntax-e #'m))
         (syntax/loc stx
-          (define-stx name v+))]
+          (tr:define name v+))]
        [_ #f])))
   (define f-let
     (lambda (stx)
@@ -109,12 +107,10 @@
         #:with (v+* ...) (map expand-expr (syntax-e (syntax/loc stx (v* ...))))
         #:with (m* ...) (map f-parse (syntax-e (syntax/loc stx (v+* ...))))
         #:when (andmap syntax-e (syntax-e (syntax/loc stx (m* ...))))
-        #:with let-stx (format-id stx "let")
-        #:with let-syntax-stx (format-id stx "let-syntax")
         (quasisyntax/loc stx
-          (let-stx ([name* v+*] ...)
-            (let-syntax-stx ([name* (make-rename-transformer
-                                      (syntax-property #'name* '#,key 'm*))] ...)
+          (tr:let ([name* v+*] ...)
+            (tr:let-syntax ([name* (make-rename-transformer
+                                     (syntax-property #'name* '#,key 'm*))] ...)
               e* ...)))]
        [_ #f])))
   (values
@@ -136,5 +132,9 @@
   (or (parser stx)
     (syntax-parse stx
      [(_ e* ...)
-      #:with id-stx (format-id stx "~a" id-sym)
+      #:with id-stx (case id-sym
+                     [(define) #'tr:define]
+                     [(let)    #'tr:let]
+                     [(set!)   #'tr:set!]
+                     [else     (error 'trivial "Unknown keyword '~a'" id-sym)])
       (syntax/loc stx (id-stx e* ...))])))
diff --git a/private/math.rkt b/private/math.rkt
index 47875f4..6bb3f05 100644
--- a/private/math.rkt
+++ b/private/math.rkt
@@ -92,8 +92,8 @@
 
 ;; -----------------------------------------------------------------------------
 
-(define-syntax define-num: (make-keyword-alias #'define num-define))
-(define-syntax let-num: (make-keyword-alias #'let num-let))
+(define-syntax define-num: (make-keyword-alias 'define num-define))
+(define-syntax let-num: (make-keyword-alias 'let num-let))
 
 (define-syntax make-numeric-operator
   (syntax-parser
diff --git a/private/set-bang.rkt b/private/set-bang.rkt
index d73cdf8..2dab6ef 100644
--- a/private/set-bang.rkt
+++ b/private/set-bang.rkt
@@ -24,7 +24,7 @@
 ;   (syntax-property stx rx-key)
 ;   (syntax-property stx vector-length-key)))
 
-(define-syntax set!: (make-keyword-alias #'set!
+(define-syntax set!: (make-keyword-alias 'set!
   (lambda (stx) (syntax-parse stx
    [(_ name val)
     #:when (has-important-syntax-property? #'name)