diff --git a/tools/binman/bintool.py b/tools/binman/bintool.py
index a582d9d..8fda13f 100644
--- a/tools/binman/bintool.py
+++ b/tools/binman/bintool.py
@@ -85,7 +85,6 @@
                 try:
                     # Deal with classes which must be renamed due to conflicts
                     # with Python libraries
-                    class_name = f'Bintoolbtool_{module_name}'
                     module = importlib.import_module('binman.btool.btool_' +
                                                      module_name)
                 except ImportError:
@@ -137,6 +136,8 @@
         names = [os.path.splitext(os.path.basename(fname))[0]
                  for fname in files]
         names = [name for name in names if name[0] != '_']
+        names = [name[6:] if name.startswith('btool_') else name
+                 for name in names]
         if include_testing:
             names.append('_testing')
         return sorted(names)
diff --git a/tools/binman/btool/btool_gzip.py b/tools/binman/btool/btool_gzip.py
index 70cbc19..a7ce641 100644
--- a/tools/binman/btool/btool_gzip.py
+++ b/tools/binman/btool/btool_gzip.py
@@ -14,7 +14,7 @@
 from binman import bintool
 
 # pylint: disable=C0103
-class Bintoolbtool_gzip(bintool.BintoolPacker):
+class Bintoolgzip(bintool.BintoolPacker):
     """Compression/decompression using the gzip algorithm
 
     This bintool supports running `gzip` to compress and decompress data, as