diff --git a/lib/sidekiq_unique_jobs/options_with_fallback.rb b/lib/sidekiq_unique_jobs/options_with_fallback.rb
index 194e7843d..9cb63ed7f 100644
--- a/lib/sidekiq_unique_jobs/options_with_fallback.rb
+++ b/lib/sidekiq_unique_jobs/options_with_fallback.rb
@@ -69,17 +69,7 @@ def lock_class
     # @return [Symbol]
     #
     def lock_type
-      @lock_type ||= options[LOCK] || item[LOCK] || unique_type
-    end
-
-    #
-    # @deprecated in favour of {lock_type}
-    #
-    #
-    # @return [Symbol]
-    #
-    def unique_type
-      options[UNIQUE] || item[UNIQUE]
+      @lock_type ||= options[LOCK] || item[LOCK]
     end
 
     #
diff --git a/spec/sidekiq_unique_jobs/middleware/client_spec.rb b/spec/sidekiq_unique_jobs/middleware/client_spec.rb
index d4ad7dc70..8ed545688 100644
--- a/spec/sidekiq_unique_jobs/middleware/client_spec.rb
+++ b/spec/sidekiq_unique_jobs/middleware/client_spec.rb
@@ -82,7 +82,7 @@
   end
 
   it "does not queue duplicates when when calling delay" do
-    Array.new(10) { PlainClass.delay(unique: :until_executed, queue: "customqueue").run(1) }
+    Array.new(10) { PlainClass.delay(lock: :until_executed, queue: "customqueue").run(1) }
 
     expect(queue_count("customqueue")).to eq(1)
   end
diff --git a/spec/sidekiq_unique_jobs/options_with_fallback_spec.rb b/spec/sidekiq_unique_jobs/options_with_fallback_spec.rb
index 88bab5fa0..6545b9831 100644
--- a/spec/sidekiq_unique_jobs/options_with_fallback_spec.rb
+++ b/spec/sidekiq_unique_jobs/options_with_fallback_spec.rb
@@ -42,7 +42,7 @@ def initialize(item, options, worker_class = nil)
 
     it { is_expected.to eq(nil) }
 
-    context 'when options["unique"] is present' do
+    context 'when options["lock"] is present' do
       let(:options) { { "lock" => "while_executing" } }
       let(:item)    { { "lock" => "until_executed" } }
 
@@ -57,7 +57,7 @@ def initialize(item, options, worker_class = nil)
       end
     end
 
-    context 'when item["unique"] is present' do
+    context 'when item["lock"] is present' do
       let(:item) { { "lock" => "until_executed" } }
 
       it { is_expected.to eq("until_executed") }
@@ -80,14 +80,14 @@ def initialize(item, options, worker_class = nil)
 
     it { is_expected.to be_truthy }
 
-    context 'when options["unique"] is present' do
+    context 'when options["lock"] is present' do
       let(:options) { { "lock" => "while_executing" } }
       let(:item)    { { "lock" => "until_executed" } }
 
       it { is_expected.to be_falsey }
     end
 
-    context 'when item["unique"] is present' do
+    context 'when item["lock"] is present' do
       let(:options) { {} }
       let(:item)    { { "lock" => "until_executed" } }
 
@@ -114,12 +114,12 @@ def initialize(item, options, worker_class = nil)
   describe "#lock_instance" do
     subject(:lock) { options_with_fallback.lock_instance }
 
-    context 'when item["unique"] is present' do
+    context 'when item["lock"] is present' do
       let(:unique) { :until_executed }
 
       it { is_expected.to be_a(SidekiqUniqueJobs::Lock::UntilExecuted) }
 
-      context 'when options["unique"] is present' do
+      context 'when options["lock"] is present' do
         let(:options) { { "lock" => :while_executing } }
 
         it { is_expected.to be_a(SidekiqUniqueJobs::Lock::WhileExecuting) }
@@ -130,12 +130,12 @@ def initialize(item, options, worker_class = nil)
   describe "#lock_class" do
     subject(:lock_class) { options_with_fallback.lock_class }
 
-    context 'when item["unique"] is present' do
+    context 'when item["lock"] is present' do
       let(:item) { { "lock" => :until_executed } }
 
       it { is_expected.to eq(SidekiqUniqueJobs::Lock::UntilExecuted) }
 
-      context 'when options["unique"] is present' do
+      context 'when options["lock"] is present' do
         let(:options) { { "lock" => :while_executing } }
 
         it { is_expected.to eq(SidekiqUniqueJobs::Lock::WhileExecuting) }
@@ -156,14 +156,14 @@ def initialize(item, options, worker_class = nil)
   describe "#lock_type" do
     subject { options_with_fallback.lock_type }
 
-    context 'when options["unique"] is while_executing' do
+    context 'when options["lock"] is while_executing' do
       let(:options) { { "lock" => "while_executing" } }
       let(:item)    { { "lock" => "until_executed" } }
 
       it { is_expected.to eq("while_executing") }
     end
 
-    context 'when item["unique"] is until_executed' do
+    context 'when item["lock"] is until_executed' do
       let(:options) { {} }
       let(:item)    { { "lock" => "until_executed" } }