diff --git a/core/parser/parser-docs.factor b/core/parser/parser-docs.factor
index 5adecca206..d11f036445 100755
--- a/core/parser/parser-docs.factor
+++ b/core/parser/parser-docs.factor
@@ -284,10 +284,6 @@ HELP: use
 HELP: in
 { $var-description "A variable holding the name of the current vocabulary for new definitions." } ;
 
-HELP: shadow-warnings
-{ $values { "vocab" "an assoc mapping strings to words" } { "vocabs" "a sequence of assocs" } }
-{ $description "Tests if any keys in " { $snippet "vocab" } " shadow keys in the elements of " { $snippet "vocabs" } ", and if so, prints a warning message. These warning messages can be disabled by setting " { $link parser-notes } " to " { $link f } "." } ;
-
 HELP: (use+)
 { $values { "vocab" "an assoc mapping strings to words" } }
 { $description "Adds an assoc at the front of the search path." }
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index 7db7e46b3a..6d091fd1c0 100755
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -191,22 +191,8 @@ SYMBOL: in
 : word/vocab% ( word -- )
     "(" % dup word-vocabulary % " " % word-name % ")" % ;
 
-: shadow-warning ( new old -- )
-    2dup eq? [
-        2drop
-    ] [
-        [ word/vocab% " shadowed by " % word/vocab% ] "" make
-        note.
-    ] if ;
-
-: shadow-warnings ( vocab vocabs -- )
-    [
-        swapd assoc-stack dup
-        [ shadow-warning ] [ 2drop ] if
-    ] curry assoc-each ;
-
 : (use+) ( vocab -- )
-    vocab-words use get 2dup shadow-warnings push ;
+    vocab-words use get push ;
 
 : use+ ( vocab -- )
     load-vocab (use+) ;