diff --git a/lib/rubocop/cop/rspec/message_expectation.rb b/lib/rubocop/cop/rspec/message_expectation.rb
index 95c4a2373..d3cb45ce1 100644
--- a/lib/rubocop/cop/rspec/message_expectation.rb
+++ b/lib/rubocop/cop/rspec/message_expectation.rb
@@ -29,7 +29,6 @@ class MessageExpectation < Base
 
         MSG = 'Prefer `%<style>s` for setting message expectations.'
 
-        SUPPORTED_STYLES = %w[allow expect].freeze
         RESTRICT_ON_SEND = %i[to].freeze
 
         # @!method message_expectation(node)
diff --git a/lib/rubocop/cop/rspec/message_spies.rb b/lib/rubocop/cop/rspec/message_spies.rb
index ab3a69087..5fe1faad3 100644
--- a/lib/rubocop/cop/rspec/message_spies.rb
+++ b/lib/rubocop/cop/rspec/message_spies.rb
@@ -39,8 +39,6 @@ class MessageSpies < Base
                             'expectations. Setup `%<source>s` as a spy using ' \
                             '`allow` or `instance_spy`.'
 
-        SUPPORTED_STYLES = %w[have_received receive].freeze
-
         RESTRICT_ON_SEND = Runners.all
 
         # @!method message_expectation(node)