diff --git a/bemani/protocol/binary.py b/bemani/protocol/binary.py
index 284c43b..0ec6ac3 100644
--- a/bemani/protocol/binary.py
+++ b/bemani/protocol/binary.py
@@ -817,8 +817,4 @@ class BinaryEncoding:
 
         encoder = BinaryEncoder(tree, self.__sanitize_encoding(encoding))
         data = encoder.get_data()
-
-        if data is not None:
-            return struct.pack(">BBBB", BinaryEncoding.MAGIC, BinaryEncoding.COMPRESSED_WITH_DATA, encoding_magic, (~encoding_magic & 0xFF)) + data
-        else:
-            return None
+        return struct.pack(">BBBB", BinaryEncoding.MAGIC, BinaryEncoding.COMPRESSED_WITH_DATA, encoding_magic, (~encoding_magic & 0xFF)) + data
diff --git a/bemani/protocol/protocol.py b/bemani/protocol/protocol.py
index f302abd..c911d57 100644
--- a/bemani/protocol/protocol.py
+++ b/bemani/protocol/protocol.py
@@ -80,9 +80,6 @@ class EAmuseProtocol:
         Returns:
             binary string representing transformed data
         """
-        if data is None:
-            return None
-
         key: Optional[bytes] = None
         if encryption_key:
             # Key is concatenated with the shared secret above
@@ -130,9 +127,6 @@ class EAmuseProtocol:
         Returns:
             binary string representing transformed data
         """
-        if data is None:
-            return None
-
         if compression is None or compression == 'none':
             # This isn't compressed
             return data
@@ -156,9 +150,6 @@ class EAmuseProtocol:
         Returns:
             binary string representing transformed data
         """
-        if data is None:
-            return None
-
         if compression is None or compression == 'none':
             # This isn't compressed
             return data