diff --git a/spec/retry_spec.cr b/spec/retry_spec.cr
index f67700e..8183ba5 100644
--- a/spec/retry_spec.cr
+++ b/spec/retry_spec.cr
@@ -15,7 +15,7 @@ describe SimpleRetry do
       SimpleRetry.try_to(raise_on: DivisionByZeroError) do |count|
         raise "some issue" if count < 5
         final_count = count
-        result = count // 0
+        count // 0
         count
       end
     end
@@ -27,7 +27,7 @@ describe SimpleRetry do
     expect_raises(Exception) do
       SimpleRetry.try_to(retry_on: DivisionByZeroError) do |count|
         final_count = count
-        result = count // 0 if count < 3
+        count // 0 if count < 3
         raise "different error"
         count
       end
@@ -52,7 +52,7 @@ describe SimpleRetry do
     final_count = SimpleRetry.try_to(
       base_interval: 10.milliseconds,
       max_interval: 50.milliseconds
-    ) do |count, last_error, sleep_time|
+    ) do |count, _, sleep_time|
       times << sleep_time
       raise "some issue" if count < 7
       count
@@ -75,7 +75,7 @@ describe SimpleRetry do
       randomise: 9.milliseconds,
       base_interval: 10.milliseconds,
       max_interval: 50.milliseconds
-    ) do |count, last_error, sleep_time|
+    ) do |count, _, sleep_time|
       times << sleep_time
       raise "some issue" if count < 7
       count
diff --git a/src/simple_retry.cr b/src/simple_retry.cr
index 115e0f5..2ffb0f0 100644
--- a/src/simple_retry.cr
+++ b/src/simple_retry.cr
@@ -33,6 +33,7 @@ module SimpleRetry
     end
   end
 
+  # ameba:disable Metrics/CyclomaticComplexity
   def try_to(
     max_attempts : Int? = nil,
     retry_on : Exception.class | Nil = nil,
@@ -73,6 +74,7 @@ module SimpleRetry
     end
   end
 
+  # ameba:disable Metrics/CyclomaticComplexity
   def try_to(
     randomise : Time::Span,
     max_attempts : Int? = nil,