8 files changed, 0 insertions, 19 deletions
diff --git a/lib/plum/rack/cli.rb b/lib/plum/rack/cli.rb
index 8e47e02..77b60f2 100644
--- a/lib/plum/rack/cli.rb
+++ b/lib/plum/rack/cli.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 require "optparse"
 require "rack/builder"
 
diff --git a/lib/plum/rack/config.rb b/lib/plum/rack/config.rb
index f452a05..f5d39d7 100644
--- a/lib/plum/rack/config.rb
+++ b/lib/plum/rack/config.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 module Plum
   module Rack
     class Config
diff --git a/lib/plum/rack/dsl.rb b/lib/plum/rack/dsl.rb
index f47313c..baf5344 100644
--- a/lib/plum/rack/dsl.rb
+++ b/lib/plum/rack/dsl.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 module Plum
   module Rack
     module DSL
diff --git a/lib/plum/rack/legacy_session.rb b/lib/plum/rack/legacy_session.rb
index 834c97c..e1a0b78 100644
--- a/lib/plum/rack/legacy_session.rb
+++ b/lib/plum/rack/legacy_session.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 using Plum::BinaryString
 
 module Plum
diff --git a/lib/plum/rack/listener.rb b/lib/plum/rack/listener.rb
index 4296e3c..1558dc2 100644
--- a/lib/plum/rack/listener.rb
+++ b/lib/plum/rack/listener.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 module Plum
   module Rack
     class BaseListener
@@ -63,9 +61,6 @@ module Plum
         ctx = OpenSSL::SSL::SSLContext.new
         ctx.ssl_version = :TLSv1_2
         ctx.alpn_select_cb = -> (protocols) { protocols.include?("h2") ? "h2" : protocols.first }
-        if ctx.respond_to?(:tmp_ecdh_callback) && !ctx.respond_to?(:set_ecdh_curves)
-          ctx.tmp_ecdh_callback = -> (sock, ise, keyl) { OpenSSL::PKey::EC.new("prime256v1") }
-        end
         *ctx.extra_chain_cert, ctx.cert = parse_chained_cert(cert)
         ctx.key = OpenSSL::PKey::RSA.new(key)
         ctx.servername_cb = proc { |sock, hostname|
diff --git a/lib/plum/rack/server.rb b/lib/plum/rack/server.rb
index 5ab2e71..99d5dc0 100644
--- a/lib/plum/rack/server.rb
+++ b/lib/plum/rack/server.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 module Plum
   module Rack
     class Server
diff --git a/lib/plum/rack/session.rb b/lib/plum/rack/session.rb
index 1c9a4df..824d14c 100644
--- a/lib/plum/rack/session.rb
+++ b/lib/plum/rack/session.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 using Plum::BinaryString
 
 module Plum
diff --git a/lib/plum/rack/thread_pool.rb b/lib/plum/rack/thread_pool.rb
index 68ce2b6..3051e65 100644
--- a/lib/plum/rack/thread_pool.rb
+++ b/lib/plum/rack/thread_pool.rb
@@ -1,5 +1,3 @@
-# frozen-string-literal: true
-
 module Plum
   module Rack
     class ThreadPool