diff --git a/benchmarks/benchmarks.rb b/benchmarks/benchmarks.rb
index 073b21b6..37518223 100644
--- a/benchmarks/benchmarks.rb
+++ b/benchmarks/benchmarks.rb
@@ -82,7 +82,7 @@ def benchmark_name
 
 # Use metaprogramming to ensure that each class is created in exactly the
 # the same way.
-BENCHMARK_GEMS.each do |benchmark_gem|
+BENCHMARK_GEMS.each do |benchmark_gem| # rubocop:disable Metrics/BlockLength
   eval <<~HEREDOC, binding, __FILE__, __LINE__ + 1 # rubocop:disable Security/Eval
     class #{benchmark_gem.klass}Example
       #{benchmark_gem.activation_code}
diff --git a/spec/dokaz_helpers.rb b/spec/dokaz_helpers.rb
index 67ad7e44..76f36e74 100644
--- a/spec/dokaz_helpers.rb
+++ b/spec/dokaz_helpers.rb
@@ -5,6 +5,6 @@
 require "memo_wise"
 
 # Enable the example RSpec `after` call in README.md to execute successfully
-def after(scope, &)
+def after(scope, &block)
   # Do nothing
 end
diff --git a/spec/memo_wise_spec.rb b/spec/memo_wise_spec.rb
index 2a3f4b90..e9f6ded2 100644
--- a/spec/memo_wise_spec.rb
+++ b/spec/memo_wise_spec.rb
@@ -134,11 +134,11 @@
         expect(target.proc_method_counter).to eq(1)
       end
 
-      it "will not memoize methods with implicit block arguments" do
+      it "does not memoize methods with implicit block arguments" do
         expect { target.implicit_block_method }.to raise_error(LocalJumpError)
       end
 
-      it "will not memoize methods with explicit block arguments" do
+      it "does not memoize methods with explicit block arguments" do
         expect { target.explicit_block_method { nil } }.to raise_error(LocalJumpError)
       end
     end
@@ -153,7 +153,7 @@
 
             # Now confirm our non-memoized method is not memoized.
             expect(Array.new(4) { non_memoized.no_args }).to all eq("#{non_memoized_name}_no_args")
-            expect(non_memoized.send("#{non_memoized_name}_no_args_counter")).to eq(4)
+            expect(non_memoized.send(:"#{non_memoized_name}_no_args_counter")).to eq(4)
           end
         end
 
@@ -167,7 +167,7 @@
             expect(Array.new(4) { non_memoized.with_one_positional_arg(1) }).
               to all eq("#{non_memoized_name}_with_one_positional_arg: a=1")
 
-            expect(non_memoized.send("#{non_memoized_name}_one_positional_arg_counter")).to eq(4)
+            expect(non_memoized.send(:"#{non_memoized_name}_one_positional_arg_counter")).to eq(4)
           end
         end
 
@@ -181,7 +181,7 @@
             expect(Array.new(4) { non_memoized.with_positional_args(1, 2) }).
               to all eq("#{non_memoized_name}_with_positional_args: a=1, b=2")
 
-            expect(non_memoized.send("#{non_memoized_name}_positional_args_counter")).to eq(4)
+            expect(non_memoized.send(:"#{non_memoized_name}_positional_args_counter")).to eq(4)
           end
         end
       end
@@ -884,8 +884,8 @@ def no_args_counter
         end
 
         it "doesn't define #inherited" do
-          expect(klass).to be_respond_to(:inherited)
-          expect(klass.new).to_not be_respond_to(:inherited)
+          expect(klass).to respond_to(:inherited)
+          expect(klass.new).to_not respond_to(:inherited)
         end
       end
 
@@ -921,8 +921,8 @@ def no_args_counter
         end
 
         it "doesn't define #inherited" do
-          expect(klass).to be_respond_to(:inherited)
-          expect(klass.new).to_not be_respond_to(:inherited)
+          expect(klass).to respond_to(:inherited)
+          expect(klass.new).to_not respond_to(:inherited)
         end
       end
 
@@ -960,8 +960,8 @@ def no_args_counter
         end
 
         it "doesn't define #inherited" do
-          expect(klass).to be_respond_to(:inherited)
-          expect(klass.new).to_not be_respond_to(:inherited)
+          expect(klass).to respond_to(:inherited)
+          expect(klass.new).to_not respond_to(:inherited)
         end
       end
     end
diff --git a/spec/support/define_methods_for_testing_memo_wise.rb b/spec/support/define_methods_for_testing_memo_wise.rb
index 9da9c1ea..0e3d6560 100644
--- a/spec/support/define_methods_for_testing_memo_wise.rb
+++ b/spec/support/define_methods_for_testing_memo_wise.rb
@@ -26,7 +26,7 @@ def self.define_methods_for_testing_memo_wise(target:, via:)
 
     # :nocov:
     raise ArgumentError, "Not a Class or Module: #{target.inspect}" unless target.is_a?(Module)
-    raise ArgumentError, "Unknown value for 'via': #{via}" unless %i[instance self_dot].include?(via) # rubocop:disable Layout/EmptyLineAfterGuardClause
+    raise ArgumentError, "Unknown value for 'via': #{via}" unless %i[instance self_dot].include?(via)
     # :nocov:
 
     self_prefix = via == :self_dot ? "self." : ""