diff --git a/Library/Homebrew/bintray.rb b/Library/Homebrew/bintray.rb
index cb2966ca0d..0dc273283b 100644
--- a/Library/Homebrew/bintray.rb
+++ b/Library/Homebrew/bintray.rb
@@ -10,30 +10,27 @@ class Bintray
   end
 
   def inspect
-    "#<Bintray: user=#{@bintray_user} org=#{@bintray_org} key=***>"
+    "#<Bintray: org=#{@bintray_org}>"
   end
 
-  def initialize(user: ENV["HOMEBREW_BINTRAY_USER"], key: ENV["HOMEBREW_BINTRAY_KEY"], org: "homebrew", clear: true)
-    @bintray_user = user
-    @bintray_key = key
+  def initialize(org: "homebrew")
     @bintray_org = org
 
-    if !@bintray_user || !@bintray_key
-      unless Homebrew.args.dry_run?
-        raise UsageError, "Missing HOMEBREW_BINTRAY_USER or HOMEBREW_BINTRAY_KEY variables!"
-      end
-    end
-
     raise UsageError, "Must set a Bintray organisation!" unless @bintray_org
 
     ENV["HOMEBREW_FORCE_HOMEBREW_ON_LINUX"] = "1" if @bintray_org == "homebrew" && !OS.mac?
-
-    ENV.delete "HOMEBREW_BINTRAY_KEY" if clear
   end
 
   def open_api(url, *extra_curl_args, auth: true)
     args = extra_curl_args
-    args += ["--user", "#{@bintray_user}:#{@bintray_key}"] if auth
+
+    if auth
+      raise UsageError, "HOMEBREW_BINTRAY_USER is unset." unless (user = EnvConfig.bintray_user)
+      raise UsageError, "HOMEBREW_BINTRAY_KEY is unset." unless (key = EnvConfig.bintray_key)
+
+      args += ["--user", "#{user}:#{key}"]
+    end
+
     curl(*args, url,
          show_output: Homebrew.args.verbose?,
          secrets:     @bintray_key)
diff --git a/Library/Homebrew/dev-cmd/pr-upload.rb b/Library/Homebrew/dev-cmd/pr-upload.rb
index 9453428e91..fb53580aed 100644
--- a/Library/Homebrew/dev-cmd/pr-upload.rb
+++ b/Library/Homebrew/dev-cmd/pr-upload.rb
@@ -48,13 +48,9 @@ module Homebrew
 
     if args.dry_run?
       puts "brew #{bottle_args.join " "}"
-    else
-      safe_system HOMEBREW_BREW_FILE, *bottle_args
-    end
-
-    if args.dry_run?
       puts "Upload bottles described by these JSON files to Bintray:\n  #{Dir["*.json"].join("\n  ")}"
     else
+      safe_system HOMEBREW_BREW_FILE, *bottle_args
       bintray.upload_bottle_json(Dir["*.json"],
                                  publish_package: !args.no_publish?,
                                  warn_on_error:   args.warn_on_upload_failure?)
diff --git a/Library/Homebrew/test/bintray_spec.rb b/Library/Homebrew/test/bintray_spec.rb
index 6e3a017dee..2a61f8d476 100644
--- a/Library/Homebrew/test/bintray_spec.rb
+++ b/Library/Homebrew/test/bintray_spec.rb
@@ -3,7 +3,13 @@
 require "bintray"
 
 describe Bintray, :needs_network do
-  bintray = described_class.new(user: "BrewTestBot", key: "deadbeef", org: "homebrew")
+  subject(:bintray) { described_class.new(org: "homebrew") }
+
+  before do
+    ENV["HOMEBREW_BINTRAY_USER"] = "BrewTestBot"
+    ENV["HOMEBREW_BINTRAY_KEY"] = "deadbeef"
+  end
+
   describe "::file_published?" do
     it "detects a published file" do
       results = bintray.file_published?(repo: "bottles", remote_file: "hello-2.10.catalina.bottle.tar.gz")