diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 75d373a..fa8e0da 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -215,11 +215,8 @@ Style/MutableConstant:
 # SupportedStyles: predicate, comparison
 Style/NumericPredicate:
   Exclude:
-    - 'lib/hawk/http/instrumentation.rb'
-    - 'lib/hawk/model/association.rb'
     - 'lib/hawk/model/pagination.rb'
     - 'lib/hawk/model/proxy.rb'
-    - 'lib/hawk/model/schema.rb'
     - 'lib/hawk/rake/default_task.rb'
 
 # Configuration parameters: AllowedMethods.
@@ -232,10 +229,3 @@ Style/OptionalBooleanParameter:
 Style/RedundantSelfAssignment:
   Exclude:
     - 'lib/hawk/model/proxy.rb'
-
-# This cop supports unsafe autocorrection (--autocorrect-all).
-Style/ZeroLengthPredicate:
-  Exclude:
-    - 'lib/hawk/http/instrumentation.rb'
-    - 'lib/hawk/model/association.rb'
-    - 'lib/hawk/model/schema.rb'
diff --git a/lib/hawk/http/instrumentation.rb b/lib/hawk/http/instrumentation.rb
index e4deb97..b48e7f6 100644
--- a/lib/hawk/http/instrumentation.rb
+++ b/lib/hawk/http/instrumentation.rb
@@ -30,7 +30,7 @@ def instrument(type, payload)
             elapsed = (Time.now.to_f - start) * 1000
 
             url = payload[:url].to_s
-            if payload[:params] && payload[:params].size > 0
+            if payload[:params].present?
               url << '?' << payload[:params].inject('') { |s, (k, v)| s << [k, '=', v, '&'].join }.chomp('&')
             end
 
diff --git a/lib/hawk/model/association.rb b/lib/hawk/model/association.rb
index 5472cb2..d2cef85 100644
--- a/lib/hawk/model/association.rb
+++ b/lib/hawk/model/association.rb
@@ -13,7 +13,7 @@ def self.included(base)
       #
       def initialize(attributes = {}, params = {})
         super
-        if attributes.size > 0 && self.class.associations?
+        if attributes.present? && self.class.associations?
           preload_associations(attributes, params, self.class)
         end
       end
@@ -136,7 +136,7 @@ def associations
         # Check whether associations are defined
         #
         def associations?
-          @_associations && @_associations.size > 0
+          @_associations.present?
         end
 
         # Check whether the given attribute is an association
diff --git a/lib/hawk/model/schema.rb b/lib/hawk/model/schema.rb
index 0503130..75ccf75 100644
--- a/lib/hawk/model/schema.rb
+++ b/lib/hawk/model/schema.rb
@@ -51,7 +51,7 @@ def cast!(attributes)
       end
 
       def schema(attributes = nil)
-        if attributes && attributes.size > 0 && self.class.schema.nil?
+        if attributes.present? && self.class.schema.nil?
           self.class.define_schema_from(attributes)
         end
         self.class.schema || {}