diff --git a/src/core/Any.pm b/src/core/Any.pm
index d7d3eb4a28a..2d9868b6312 100644
--- a/src/core/Any.pm
+++ b/src/core/Any.pm
@@ -14,10 +14,6 @@ my class Any { # declared in BOOTSTRAP
 
     # primitives
     method infinite()   { Nil }
-    method exists (Any:U: $key) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED("the :exists adverb");
-        False;
-    }
 
     method exists_key($key) { False }
     proto method exists_pos(|) { * }
diff --git a/src/core/Baggy.pm b/src/core/Baggy.pm
index 5d2801a388f..a913b9ca491 100644
--- a/src/core/Baggy.pm
+++ b/src/core/Baggy.pm
@@ -9,10 +9,6 @@ my role Baggy does QuantHash {
     method kxxv { %!elems.values.map( {.key xx .value} ) }
     method elems(--> Int) { %!elems.elems }
     method total(--> Int) { [+] self.values }
-    method exists ($k --> Bool) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED('the :exists adverb with postcircumfix:<{ }>');
-        self.exists_key($k);
-    }
     method exists_key($k --> Bool) {
         %!elems.exists_key($k.WHICH);
     }
diff --git a/src/core/Capture.pm b/src/core/Capture.pm
index 4f98bd2cae7..14a747d4a13 100644
--- a/src/core/Capture.pm
+++ b/src/core/Capture.pm
@@ -46,10 +46,6 @@ my class Capture { # declared in BOOTSTRAP
         $enum;
     }
 
-    method exists (Capture:D: $key ) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED("the :exists adverb");
-        self.exists_key($key);
-    }
     method exists_key(Capture:D: $key ) {
         nqp::p6bool(nqp::existskey($!hash, nqp::unbox_s($key.Str)));
     }
diff --git a/src/core/EnumMap.pm b/src/core/EnumMap.pm
index c39004ffcb2..209845b2774 100644
--- a/src/core/EnumMap.pm
+++ b/src/core/EnumMap.pm
@@ -27,16 +27,6 @@ my class EnumMap does Associative { # declared in BOOTSTRAP
         so self.keys.any.match($topic);
     }
     
-    proto method exists(|) {*}
-    multi method exists (EnumMap:U:) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED('the :exists adverb with postcircumfix:<{ }>');
-        self.exists_key;
-    }
-    multi method exists (EnumMap:D: \key) { # is DEPRECATED doesn't work in settings
-        DEPRECATED('the :exists adverb with postcircumfix:<{ }>');
-        self.exists_key(key);
-    }
-
     proto method exists_key(|) {*}
     multi method exists_key(EnumMap:U:) { False }
     multi method exists_key(EnumMap:D: Str:D \key) {
diff --git a/src/core/Hash.pm b/src/core/Hash.pm
index ecd2c089873..3948ed35a5e 100644
--- a/src/core/Hash.pm
+++ b/src/core/Hash.pm
@@ -401,10 +401,6 @@ my class Hash { # declared in BOOTSTRAP
                 nqp::unbox_s($key_which),
                 bindval)
         }
-        method exists (TKey \key) {  # is DEPRECATED doesn't work in settings
-            DEPRECATED('the :exists adverb with postcircumfix:<{ }>');
-            self.exists_key(key);
-        }
         method exists_key(TKey \key) {
             nqp::defined($!keys)
               ?? nqp::p6bool(nqp::existskey($!keys, nqp::unbox_s(key.WHICH)))
diff --git a/src/core/List.pm b/src/core/List.pm
index fe5e2c8a8b3..86a8cd0b17b 100644
--- a/src/core/List.pm
+++ b/src/core/List.pm
@@ -106,10 +106,6 @@ my class List does Positional { # declared in BOOTSTRAP
         $!nextiter.defined ?? Inf !! $n
     }
 
-    method exists (\pos) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED("the :exists adverb with postcircumfix:<[ ]>");
-        self.exists_pos(pos);
-    }
     method exists_pos(\pos) {
         return False if !self.DEFINITE || pos < 0;
         self.gimme(pos + 1);
diff --git a/src/core/Setty.pm b/src/core/Setty.pm
index b410a114b93..5bd2ddd8f78 100644
--- a/src/core/Setty.pm
+++ b/src/core/Setty.pm
@@ -10,10 +10,6 @@ my role Setty does QuantHash {
     method total(--> Int) { %!elems.elems }
     method minpairs(--> List) { self.pairs }
     method maxpairs(--> List) { self.pairs }
-    method exists ($k --> Bool) {  # is DEPRECATED doesn't work in settings
-        DEPRECATED('the :exists adverb with postcircumfix:<{ }>');
-        self.exists_key($k);
-    }
     method exists_key($k --> Bool) {
         so ( %!elems && nqp::existskey(%!elems, nqp::unbox_s($k.WHICH)) );
     }