diff --git a/mayan/apps/ocr/lang/deu.py b/mayan/apps/ocr/lang/deu.py
index be01ed2643..9a9b89549e 100644
--- a/mayan/apps/ocr/lang/deu.py
+++ b/mayan/apps/ocr/lang/deu.py
@@ -13,7 +13,6 @@ class LanguageBackend(BackendBase):
 
         TOO_MANY_VOWELS = re.compile('[aäeioöuü]{4}', re.I)
         TOO_MANY_CONSONANTS = re.compile('[bcdfghjklmnpqrstvwxyz]{4}', re.I)
-        ALL_ALPHA = re.compile('^[a-z]+$', re.I)
         # SINGLE_LETTER_WORDS = re.compile('^$', re.I)
 
         #(L) If a string is longer than 40 characters, it is considered as garbage
diff --git a/mayan/apps/ocr/lang/eng.py b/mayan/apps/ocr/lang/eng.py
index c402bba9f9..29dc3384e8 100644
--- a/mayan/apps/ocr/lang/eng.py
+++ b/mayan/apps/ocr/lang/eng.py
@@ -12,7 +12,6 @@ class LanguageBackend(BackendBase):
 
         TOO_MANY_VOWELS = re.compile('[aeiou]{3}', re.I)
         TOO_MANY_CONSONANTS = re.compile('[bcdfghjklmnpqrstvwxyz]{5}', re.I)
-        ALL_ALPHA = re.compile('^[a-z]+$', re.I)
         SINGLE_LETTER_WORDS = re.compile('^[ai]$', re.I)
 
         # (L) If a string is longer than 20 characters, it is garbage
diff --git a/mayan/apps/ocr/lang/fra.py b/mayan/apps/ocr/lang/fra.py
index d4bff61c96..937551bc9c 100644
--- a/mayan/apps/ocr/lang/fra.py
+++ b/mayan/apps/ocr/lang/fra.py
@@ -13,7 +13,6 @@ class LanguageBackend(BackendBase):
 
         TOO_MANY_VOWELS = re.compile('[aáeéiíoóuúü]{3}', re.I)
         TOO_MANY_CONSONANTS = re.compile('[bcdfghjklmnñpqrstvwxyz]{5}', re.I)
-        ALL_ALPHA = re.compile('^[a-z]+$', re.I)
         SINGLE_LETTER_WORDS = re.compile('^[aeoóuy]$', re.I)
 
         #(L) If a string is longer than 20 characters, it is garbage
diff --git a/mayan/apps/ocr/lang/rus.py b/mayan/apps/ocr/lang/rus.py
index 28b8644062..05ce0e1ab1 100644
--- a/mayan/apps/ocr/lang/rus.py
+++ b/mayan/apps/ocr/lang/rus.py
@@ -13,7 +13,6 @@ class LanguageBackend(BackendBase):
 
         TOO_MANY_VOWELS = re.compile('[ёуеыаоэяию]{3}', re.I)
         TOO_MANY_CONSONANTS = re.compile('[йцкнгшщзхъфвпрлджчсмтьб{5}', re.I)
-        ALL_ALPHA = re.compile('^[ёйцукенгшщзхъфывапролджэячсмитьбю]+$', re.I)
         SINGLE_LETTER_WORDS = re.compile('^[уквояси]$', re.I)
 
         # (L) If a string is longer than 25 characters, it is garbage
diff --git a/mayan/apps/ocr/lang/spa.py b/mayan/apps/ocr/lang/spa.py
index 677aed73f6..eb4d9ead45 100644
--- a/mayan/apps/ocr/lang/spa.py
+++ b/mayan/apps/ocr/lang/spa.py
@@ -13,7 +13,6 @@ class LanguageBackend(BackendBase):
 
         TOO_MANY_VOWELS = re.compile('[aáeéiíoóuúü]{3}', re.I)
         TOO_MANY_CONSONANTS = re.compile('[bcdfghjklmnñpqrstvwxyz]{5}', re.I)
-        ALL_ALPHA = re.compile('^[a-z]+$', re.I)
         SINGLE_LETTER_WORDS = re.compile('^[aeoóuy]$', re.I)
 
         # (L) If a string is longer than 20 characters, it is garbage