diff --git a/Changelog.md b/Changelog.md
index 379dea479..a2c8917f5 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,9 @@
 # Unreleased
 
+* [#1219](https://github.com/mbj/mutant/pull/1218)
+
+  * Remove float literal negation mutations (`1.0` -> `-1.0`).
+
 * [#1218](https://github.com/mbj/mutant/pull/1218)
 
   * Remove integer literal negation mutations (`1` -> `-1`).
diff --git a/lib/mutant/mutator/node/literal/float.rb b/lib/mutant/mutator/node/literal/float.rb
index 7332200b1..ba18dc9c8 100644
--- a/lib/mutant/mutator/node/literal/float.rb
+++ b/lib/mutant/mutator/node/literal/float.rb
@@ -28,9 +28,7 @@ def emit_special_cases
           end
 
           def values
-            original = children.first
-
-            [0.0, 1.0, -original]
+            [0.0, 1.0]
           end
 
         end # Float
diff --git a/meta/float.rb b/meta/float.rb
index 4550b6f2c..2858e4982 100644
--- a/meta/float.rb
+++ b/meta/float.rb
@@ -11,9 +11,6 @@
   mutation '0.0 / 0.0'
   mutation '1.0 / 0.0'
   mutation '-1.0 / 0.0'
-
-  # negative
-  mutation '-10.0'
 end
 
 Mutant::Meta::Example.add :float do