diff --git a/README.md b/README.md
index f09a5663..2de97d56 100755
--- a/README.md
+++ b/README.md
@@ -202,7 +202,6 @@ en:
       aspect_ratio_not_portrait: "must be a portrait image"
       aspect_ratio_not_landscape: "must be a landscape image"
       aspect_ratio_is_not: "must have an aspect ratio of %{aspect_ratio}"
-      aspect_ratio_unknown: "has an unknown aspect ratio"
       image_not_processable: "is not a valid image"
 ```
 
diff --git a/config/locales/da.yml b/config/locales/da.yml
index 2fa8c788..f35c2dd0 100644
--- a/config/locales/da.yml
+++ b/config/locales/da.yml
@@ -29,5 +29,4 @@ da:
       aspect_ratio_not_portrait: "skal være et portrætbillede"
       aspect_ratio_not_landscape: "skal være et landskabsbillede"
       aspect_ratio_is_not: "skal have et størrelsesforhold på %{aspect_ratio}"
-      aspect_ratio_unknown: "har et ukendt størrelsesforhold"
       image_not_processable: "er ikke et gyldigt billede"
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 1ced0115..5adc90fa 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -29,5 +29,4 @@ de:
       aspect_ratio_not_portrait: "muss Hochformat sein"
       aspect_ratio_not_landscape: "muss Querformat sein"
       aspect_ratio_is_not: "muss ein Bildseitenverhältnis von %{aspect_ratio} haben"
-      aspect_ratio_unknown: "hat ein unbekanntes Bildseitenverhältnis"
       image_not_processable: "ist kein gültiges Bild"
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 7b485729..d687e481 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -29,5 +29,4 @@ en:
       aspect_ratio_not_portrait: "must be a portrait image"
       aspect_ratio_not_landscape: "must be a landscape image"
       aspect_ratio_is_not: "must have an aspect ratio of %{aspect_ratio}"
-      aspect_ratio_unknown: "has an unknown aspect ratio"
       image_not_processable: "is not a valid image"
diff --git a/config/locales/es.yml b/config/locales/es.yml
index e8d32f9a..ef0a26d7 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -29,5 +29,4 @@ es:
       aspect_ratio_not_portrait: "debe ser una imagen vertical"
       aspect_ratio_not_landscape: "debe ser una imagen apaisada"
       aspect_ratio_is_not: "debe tener una relación de aspecto de %{aspect_ratio}"
-      aspect_ratio_unknown: "tiene una relación de aspecto desconocida"
       image_not_processable: "no es una imagen válida"
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index bf40f2bd..beaa7750 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -29,5 +29,4 @@ fr:
       aspect_ratio_not_portrait: "doit être une image en format portrait"
       aspect_ratio_not_landscape: "doit être une image en format paysage"
       aspect_ratio_is_not: "doit avoir un rapport hauteur / largeur de %{aspect_ratio}"
-      aspect_ratio_unknown: "a un rapport d'aspect inconnu"
       image_not_processable: "n'est pas une image valide"
diff --git a/config/locales/it.yml b/config/locales/it.yml
index ac74ff7b..7b73c319 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -29,5 +29,4 @@ it:
       aspect_ratio_not_portrait: "l’orientamento dell’immagine deve essere verticale"
       aspect_ratio_not_landscape: "l’orientamento dell’immagine deve essere orizzontale"
       aspect_ratio_is_not: "deve avere un rapporto altezza / larghezza di %{aspect_ratio}"
-      aspect_ratio_unknown: "ha un rapporto altezza / larghezza sconosciuto"
       image_not_processable: "non è un'immagine valida"
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index d72239d2..69fdf66c 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -29,5 +29,4 @@ ja:
       aspect_ratio_not_portrait: "は縦長にしてください"
       aspect_ratio_not_landscape: "は横長にしてください"
       aspect_ratio_is_not: "のアスペクト比は %{aspect_ratio} にしてください"
-      aspect_ratio_unknown: "のアスペクト比を取得できませんでした"
       image_not_processable: "は不正な画像です"
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index 1ef1eddd..df37b189 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -29,5 +29,4 @@ nl:
       aspect_ratio_not_portrait: "moet een staande afbeelding zijn"
       aspect_ratio_not_landscape: "moet een liggende afbeelding zijn"
       aspect_ratio_is_not: "moet een beeldverhouding hebben van %{aspect_ratio}"
-      aspect_ratio_unknown: "heeft een onbekende beeldverhouding"
       image_not_processable: "is geen geldige afbeelding"
diff --git a/config/locales/pl.yml b/config/locales/pl.yml
index 4536d23f..e468b39f 100644
--- a/config/locales/pl.yml
+++ b/config/locales/pl.yml
@@ -29,5 +29,4 @@ pl:
       aspect_ratio_not_portrait: "musi mieć proporcje portretu"
       aspect_ratio_not_landscape: "musi mieć proporcje pejzażu"
       aspect_ratio_is_not: "musi mieć proporcje %{aspect_ratio}"
-      aspect_ratio_unknown: "ma nieokreślone proporcje"
       image_not_processable: "nie jest prawidłowym obrazem"
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index e4fc6f48..30ad994a 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -29,5 +29,4 @@ pt-BR:
       aspect_ratio_not_portrait: "não está no formato retrato"
       aspect_ratio_not_landscape: "não está no formato paisagem"
       aspect_ratio_is_not: "não contém uma proporção de %{aspect_ratio}"
-      aspect_ratio_unknown: "não tem uma proporção definida"
       image_not_processable: "não é uma imagem válida"
diff --git a/config/locales/ru.yml b/config/locales/ru.yml
index 2026d80d..b479900f 100644
--- a/config/locales/ru.yml
+++ b/config/locales/ru.yml
@@ -29,5 +29,4 @@ ru:
       aspect_ratio_not_portrait: "должно быть портретное изображение"
       aspect_ratio_not_landscape: "должно быть пейзажное изображение"
       aspect_ratio_is_not: "должен иметь соотношение сторон %{aspect_ratio}"
-      aspect_ratio_unknown: "имеет неизвестное соотношение сторон"
       image_not_processable: "не является допустимым изображением"
diff --git a/config/locales/sv.yml b/config/locales/sv.yml
index c622ae2d..87f4a0fd 100644
--- a/config/locales/sv.yml
+++ b/config/locales/sv.yml
@@ -29,5 +29,4 @@ sv:
       aspect_ratio_not_portrait: "måste vara en porträttorienterad bild"
       aspect_ratio_not_landscape: "måste vara en landskapsorienterad bild"
       aspect_ratio_is_not: "måste ha en följande aspect ratio  %{aspect_ratio}"
-      aspect_ratio_unknown: "har en okänd aspect ratio"
       image_not_processable: "är inte en giltig bild"
diff --git a/config/locales/tr.yml b/config/locales/tr.yml
index 8e30788e..ae4753e3 100644
--- a/config/locales/tr.yml
+++ b/config/locales/tr.yml
@@ -29,5 +29,4 @@ tr:
       aspect_ratio_not_portrait: "dikey bir imaj olmalı"
       aspect_ratio_not_landscape: "yatay bir imaj olmalı"
       aspect_ratio_is_not: "%{aspect_ratio} en boy oranına sahip olmalı"
-      aspect_ratio_unknown: "bilinmeyen en boy oranı"
       image_not_processable: "geçerli bir imaj değil"
diff --git a/config/locales/uk.yml b/config/locales/uk.yml
index d5fc80fc..351ad22d 100644
--- a/config/locales/uk.yml
+++ b/config/locales/uk.yml
@@ -29,5 +29,4 @@ uk:
       aspect_ratio_not_portrait: "мусить бути портретне зображення"
       aspect_ratio_not_landscape: "мусить бути пейзажне зображення"
       aspect_ratio_is_not: "мусить мати співвідношення сторін %{aspect_ratio}"
-      aspect_ratio_unknown: "має невідоме співвідношення сторін"
       image_not_processable: "не є допустимим зображенням"
diff --git a/config/locales/vi.yml b/config/locales/vi.yml
index aee1b573..cf2bdc5e 100644
--- a/config/locales/vi.yml
+++ b/config/locales/vi.yml
@@ -29,5 +29,4 @@ vi:
       aspect_ratio_not_portrait: "phải là ảnh đứng"
       aspect_ratio_not_landscape: "phải là ảnh ngang"
       aspect_ratio_is_not: "phải có tỉ lệ ảnh %{aspect_ratio}"
-      aspect_ratio_unknown: "tỉ lệ ảnh không xác định"
       image_not_processable: "không phải là ảnh"
diff --git a/config/locales/zh-CN.yml b/config/locales/zh-CN.yml
index 7cdd82a0..7adf9533 100644
--- a/config/locales/zh-CN.yml
+++ b/config/locales/zh-CN.yml
@@ -29,5 +29,4 @@ zh-CN:
       aspect_ratio_not_portrait: "必须是竖屏图片"
       aspect_ratio_not_landscape: "必须是横屏图片"
       aspect_ratio_is_not: "纵横比必须是 %{aspect_ratio}"
-      aspect_ratio_unknown: "未知的纵横比"
       image_not_processable: "不是有效的图像"
diff --git a/lib/active_storage_validations/aspect_ratio_validator.rb b/lib/active_storage_validations/aspect_ratio_validator.rb
index bbeddd48..b6b82a53 100644
--- a/lib/active_storage_validations/aspect_ratio_validator.rb
+++ b/lib/active_storage_validations/aspect_ratio_validator.rb
@@ -22,7 +22,6 @@ class AspectRatioValidator < ActiveModel::EachValidator # :nodoc
       aspect_ratio_not_portrait
       aspect_ratio_not_landscape
       aspect_ratio_is_not
-      aspect_ratio_unknown
     ].freeze
     PRECISION = 3.freeze
 
@@ -75,10 +74,6 @@ def is_valid?(record, attribute, attachable, metadata)
 
         errors_options[:aspect_ratio] = "#{x}:#{y}"
         add_error(record, attribute, :aspect_ratio_is_not, **errors_options)
-      else
-        errors_options[:aspect_ratio] = flat_options[:with]
-        add_error(record, attribute, :aspect_ratio_unknown, **errors_options)
-        return false
       end
     end