diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2db19ba37..f49f37c71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 ## [Unreleased]
 
 - Allow building number in address2 for DK [#53](https://github.com/Shopify/worldwide/pull/53)
+- Avoid .present? and .blank? so we don't require Rails [#57](https://github.com/Shopify/worldwide/pull/57)
 
 ---
 
diff --git a/lib/worldwide/region.rb b/lib/worldwide/region.rb
index 7568ab2ae..3e5623dd3 100644
--- a/lib/worldwide/region.rb
+++ b/lib/worldwide/region.rb
@@ -444,7 +444,7 @@ def cross_border_zip_includes_province?(zip:, province_code:)
     # Returns true if this country has zones defined, and has postal code prefix data for the zones
     def has_zip_prefixes?
       @zones&.any? do |zone|
-        zone.zip_prefixes.present?
+        Util.present?(zone.zip_prefixes)
       end
     end
 
@@ -471,7 +471,7 @@ def passes_country_zip_regexp?(value:, partial_match: false)
 
       adjusted_value = partial_match ? value.strip : value
 
-      Regexp.new(regex_prefix).match(adjusted_value).present?
+      Util.present?(Regexp.new(regex_prefix).match(adjusted_value))
     end
 
     # Search a list of zip prefixes (by province or timezone) to find the element that corresponds to the zip
diff --git a/lib/worldwide/zip.rb b/lib/worldwide/zip.rb
index 2851cecd9..a8c711679 100644
--- a/lib/worldwide/zip.rb
+++ b/lib/worldwide/zip.rb
@@ -50,7 +50,7 @@ def gb_style?(country_code:)
     # @param min_confidence [Integer] The minimum confidence level (between 0-100) that is accepted from a suggestion (optional)
     # @return [Region] which is a "country" if we have a suggestion, or `nil` if we do not.
     def find_country(country_code: nil, zip:, min_confidence: 0)
-      return nil unless zip.present?
+      return nil unless Util.present?(zip)
 
       country = Worldwide.region(code: country_code) unless country_code.nil?
       return country if country&.valid_zip?(zip)
@@ -68,8 +68,8 @@ def find_country(country_code: nil, zip:, min_confidence: 0)
       # We'll see if we have only a single suggestion and, if so, return it.
       # In cases where there's more than one possible match, we'll return nil.
       suggestions = find_country_using_zip_alone(adjusted_zip)
-      suggestion = suggestions.first[0] unless suggestions.blank?
-      confidence = suggestions.first[1] unless suggestions.blank?
+      suggestion = suggestions.first[0] unless Util.blank?(suggestions)
+      confidence = suggestions.first[1] unless Util.blank?(suggestions)
 
       return suggestion if suggestions.length == 1 && confidence && confidence >= min_confidence
 
@@ -90,7 +90,7 @@ def normalize(country_code:, zip:, allow_autofill: true, strip_extraneous_charac
 
       if allow_autofill
         autofill = country.autofill_zip
-        return autofill if autofill.present?
+        return autofill if Util.present?(autofill)
       end
 
       return nil if zip.nil?
@@ -163,7 +163,7 @@ def outcode(country_code:, zip:)
     end
 
     def strip_optional_country_prefix(country_code:, zip:)
-      return zip if zip.blank?
+      return zip if Util.blank?(zip)
 
       unless OPTIONAL_PREFIX_COUNTRIES.include?(country_code&.to_sym)
         return zip
@@ -604,7 +604,7 @@ def replace_letters_and_numbers_for_alphanumeric(country_code:, zip:)
         return zip
       end
 
-      return zip if zip.blank?
+      return zip if Util.blank?(zip)
 
       autocorrected_zips = []
       input = zip
@@ -727,7 +727,7 @@ def replace_ohs_and_zeros_for_gb(zip:)
     end
 
     def normalize_for_bd(zip:)
-      return zip if zip.blank?
+      return zip if Util.blank?(zip)
 
       m = zip.match(/^(GPO:?|DHAKA)(\d{4})$/)
       if m.nil?
@@ -834,10 +834,10 @@ def normalize_for_lk(zip:)
       return zip if zip.nil?
 
       m = zip.match(/^0?0?0?0?([1-9])0?0?$/)
-      return "00#{m[1]}00" if m.present?
+      return "00#{m[1]}00" if Util.present?(m)
 
       m = zip.match(/^0?0?1([1-9])0?0?$/)
-      return "01#{m[1]}00" if m.present?
+      return "01#{m[1]}00" if Util.present?(m)
 
       if zip.match?(/^[1-9][0-9]00$/)
         "#{zip}0"
diff --git a/rake/cldr/pluralization_subkey_expander.rb b/rake/cldr/pluralization_subkey_expander.rb
index 0df6d6c3e..a91936387 100644
--- a/rake/cldr/pluralization_subkey_expander.rb
+++ b/rake/cldr/pluralization_subkey_expander.rb
@@ -53,7 +53,7 @@ def cardinal_pluralization_context?(parent, children, locale)
       # pluralization keywords collide with the cardinal pluralization keywords.
       required_keys_for_locale = Worldwide::Plurals.keys(locale).map(&:to_s)
       !ordinal_pluralization_context?(parent) &&
-        (required_keys_for_locale & children.keys).present?
+        Util.present?(required_keys_for_locale & children.keys)
     end
 
     def ordinal_pluralization_context?(parent)
@@ -63,7 +63,7 @@ def ordinal_pluralization_context?(parent)
     def expand_pluralization_children!(parent, children, locale)
       required_keys_for_locale = Worldwide::Plurals.keys(locale).map(&:to_s)
       missing_keys = (required_keys_for_locale - children.keys).sort
-      if missing_keys.present?
+      if Util.present?(missing_keys)
         missing_keys.each do |missing_key|
           new_value = value_from_parent_locale(locale, parent + [missing_key]) ||
             value_from_siblings(locale, missing_key, children)
diff --git a/test/worldwide/regions_test.rb b/test/worldwide/regions_test.rb
index 679c7c367..39f9ecd4f 100644
--- a/test/worldwide/regions_test.rb
+++ b/test/worldwide/regions_test.rb
@@ -38,7 +38,7 @@ class RegionsTest < ActiveSupport::TestCase
         assert_equal name, region.legacy_name
         assert_equal zones_count, region.zones.count
 
-        if zone_name.present?
+        if Util.present?(zone_name)
           assert_equal zone_name, region.zones.first&.legacy_name
         else
           assert_nil region.zones.first&.legacy_name