diff --git a/app/logical/cache.rb b/app/logical/cache.rb
index 44ce01dd1..329824bdf 100644
--- a/app/logical/cache.rb
+++ b/app/logical/cache.rb
@@ -1,7 +1,7 @@
 class Cache
   def self.get_multi(keys, prefix)
     sanitized_key_to_key_hash = keys.map do |key|
-      ["#{prefix}:#{Cache.sanitize(key)}", key]
+      ["#{prefix}:#{Cache.hash(key)}", key]
     end.to_h
 
     sanitized_keys = sanitized_key_to_key_hash.keys
diff --git a/app/logical/tag_alias_correction.rb b/app/logical/tag_alias_correction.rb
index 5ce1c7a6f..11d6a8844 100644
--- a/app/logical/tag_alias_correction.rb
+++ b/app/logical/tag_alias_correction.rb
@@ -14,8 +14,8 @@ class TagAliasCorrection
 
   def statistics_hash
     @statistics_hash ||= {
-      "antecedent_cache" => Cache.get("ta:" + Cache.sanitize(tag_alias.antecedent_name)),
-      "consequent_cache" => Cache.get("ta:" + Cache.sanitize(tag_alias.consequent_name)),
+      "antecedent_cache" => Cache.get("ta:" + Cache.hash(tag_alias.antecedent_name)),
+      "consequent_cache" => Cache.get("ta:" + Cache.hash(tag_alias.consequent_name)),
       "antecedent_count" => Tag.find_by_name(tag_alias.antecedent_name).try(:post_count),
       "consequent_count" => Tag.find_by_name(tag_alias.consequent_name).try(:post_count)
     }
diff --git a/app/logical/tag_correction.rb b/app/logical/tag_correction.rb
index 618457b32..292dfecd5 100644
--- a/app/logical/tag_correction.rb
+++ b/app/logical/tag_correction.rb
@@ -13,8 +13,8 @@ class TagCorrection
 
   def statistics_hash
     @statistics_hash ||= {
-      "category_cache" => Cache.get("tc:" + Cache.sanitize(tag.name)),
-      "post_fast_count_cache" => Cache.get("pfc:" + Cache.sanitize(tag.name))
+      "category_cache" => Cache.get("tc:" + Cache.hash(tag.name)),
+      "post_fast_count_cache" => Cache.get("pfc:" + Cache.hash(tag.name))
     }
   end
 
diff --git a/app/models/post.rb b/app/models/post.rb
index 8e512059e..e269e48ba 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -1183,7 +1183,7 @@ class Post < ApplicationRecord
         tags = "#{tags} -status:deleted".strip
       end
 
-      "pfc:#{Cache.sanitize(tags)}"
+      "pfc:#{Cache.hash(tags)}"
     end
 
     def fast_count(tags = "", options = {})
diff --git a/app/models/tag.rb b/app/models/tag.rb
index d23cc1729..f87f139f8 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -99,7 +99,7 @@ class Tag < ApplicationRecord
         if options[:disable_caching]
           select_category_for(tag_name)
         else
-          Cache.get("tc:#{Cache.sanitize(tag_name)}") do
+          Cache.get("tc:#{Cache.hash(tag_name)}") do
             select_category_for(tag_name)
           end
         end
@@ -146,7 +146,7 @@ class Tag < ApplicationRecord
     end
 
     def update_category_cache
-      Cache.put("tc:#{Cache.sanitize(name)}", category, 1.hour)
+      Cache.put("tc:#{Cache.hash(name)}", category, 1.hour)
     end
   end
 
@@ -752,7 +752,7 @@ class Tag < ApplicationRecord
         if post_count < COSINE_SIMILARITY_RELATED_TAG_THRESHOLD
           delay(:queue => "default").update_related
         elsif post_count >= COSINE_SIMILARITY_RELATED_TAG_THRESHOLD
-          key = Cache.sanitize(name)
+          key = Cache.hash(name)
           cache_check = Cache.get("urt:#{key}")
 
           if cache_check
diff --git a/app/models/tag_alias.rb b/app/models/tag_alias.rb
index 3a2a728e4..86c6b82cb 100644
--- a/app/models/tag_alias.rb
+++ b/app/models/tag_alias.rb
@@ -20,7 +20,7 @@ class TagAlias < TagRelationship
 
     module ClassMethods
       def clear_cache_for(name)
-        Cache.delete("ta:#{Cache.sanitize(name)}")
+        Cache.delete("ta:#{Cache.hash(name)}")
       end
     end