diff --git a/Changelog.md b/Changelog.md
index eb6e4da36..0ebfa6637 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,9 @@
+# v0.12.1 2024-06-09
+
++ [#1445](https://github.com/mbj/mutant/pull/1444)
+
+  Remove invalid mutation operator.
+
 # v0.12.1 2024-05-11
 
 * [#1444](https://github.com/mbj/mutant/pull/1444)
@@ -8,9 +14,8 @@
   semantics by these methods over just `#first` and `#last`.
 
   Add `#first -> #last` and `#last -> #first` to full operator set. These where
-  highly controversial in the past and thus where removed. People who do not care
-  about ordering of their collections can now choose the light operator set, so people who care
-  (and should care) can now care (again).
+  highly controversial in the past and thus where removed.
+  People who do not care about ordering of their collections can choose the light operator set.
 
 * [#1443](https://github.com/mbj/mutant/pull/1443)
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 926d8c5c3..1d9afa1ab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
diff --git a/lib/mutant/mutator/node/super.rb b/lib/mutant/mutator/node/super.rb
index e9db4ecd7..7fe04b31c 100644
--- a/lib/mutant/mutator/node/super.rb
+++ b/lib/mutant/mutator/node/super.rb
@@ -13,7 +13,6 @@ class Super < self
 
         def dispatch
           emit_singletons
-          emit(N_EMPTY_SUPER)
           children.each_index do |index|
             mutate_child(index)
             delete_child(index)
diff --git a/lib/mutant/version.rb b/lib/mutant/version.rb
index e63405288..eb8485ae9 100644
--- a/lib/mutant/version.rb
+++ b/lib/mutant/version.rb
@@ -2,5 +2,5 @@
 
 module Mutant
   # Current mutant version
-  VERSION = '0.12.1'
+  VERSION = '0.12.2'
 end # Mutant
diff --git a/meta/super.rb b/meta/super.rb
index e6243f5c6..9092dd574 100644
--- a/meta/super.rb
+++ b/meta/super.rb
@@ -17,7 +17,6 @@
   source 'super(foo, bar)'
 
   singleton_mutations
-  mutation 'super()'
   mutation 'super(foo)'
   mutation 'super(bar)'
   mutation 'super(foo, nil)'
diff --git a/test_app/Gemfile.minitest.lock b/test_app/Gemfile.minitest.lock
index 211c0696d..9a74e3b47 100644
--- a/test_app/Gemfile.minitest.lock
+++ b/test_app/Gemfile.minitest.lock
@@ -1,15 +1,15 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-minitest (0.12.1)
+    mutant-minitest (0.12.2)
       minitest (~> 5.11)
-      mutant (= 0.12.1)
+      mutant (= 0.12.2)
 
 GEM
   remote: https://rubygems.org/
diff --git a/test_app/Gemfile.rspec3.10.lock b/test_app/Gemfile.rspec3.10.lock
index 60f48ebf1..0e6fac8f8 100644
--- a/test_app/Gemfile.rspec3.10.lock
+++ b/test_app/Gemfile.rspec3.10.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
diff --git a/test_app/Gemfile.rspec3.11.lock b/test_app/Gemfile.rspec3.11.lock
index 8c1836d99..6e5eb384f 100644
--- a/test_app/Gemfile.rspec3.11.lock
+++ b/test_app/Gemfile.rspec3.11.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
diff --git a/test_app/Gemfile.rspec3.12.lock b/test_app/Gemfile.rspec3.12.lock
index 21fe63f69..c5d15682b 100644
--- a/test_app/Gemfile.rspec3.12.lock
+++ b/test_app/Gemfile.rspec3.12.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
diff --git a/test_app/Gemfile.rspec3.13.lock b/test_app/Gemfile.rspec3.13.lock
index 91be4b719..bf6c0c60b 100644
--- a/test_app/Gemfile.rspec3.13.lock
+++ b/test_app/Gemfile.rspec3.13.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
diff --git a/test_app/Gemfile.rspec3.8.lock b/test_app/Gemfile.rspec3.8.lock
index 25b26ea72..00be2e3c2 100644
--- a/test_app/Gemfile.rspec3.8.lock
+++ b/test_app/Gemfile.rspec3.8.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
diff --git a/test_app/Gemfile.rspec3.9.lock b/test_app/Gemfile.rspec3.9.lock
index 21fe63f69..c5d15682b 100644
--- a/test_app/Gemfile.rspec3.9.lock
+++ b/test_app/Gemfile.rspec3.9.lock
@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.12.1)
+    mutant (0.12.2)
       diff-lcs (~> 1.3)
       parser (~> 3.3.0)
       regexp_parser (~> 2.9.0)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.12.1)
-      mutant (= 0.12.1)
+    mutant-rspec (0.12.2)
+      mutant (= 0.12.2)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM