diff --git a/doc/dev.md b/doc/dev.md
index 49b13b7..00c6776 100644
--- a/doc/dev.md
+++ b/doc/dev.md
@@ -10,10 +10,11 @@ VCS = "git"
 style = "pep440"
 versionfile_source = "src/magicbag/_version.py"
 versionfile_build = "magicbag/_version.py"
-tag_prefix = "v"
+tag_prefix = ""
 parentdir_prefix = "magicbag-"
 ```
 check source and build directory carefully
+check tag_prefix not "v"
 
 
 ### setup.py config
diff --git a/pyproject.toml b/pyproject.toml
index 726f3c3..611543b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ VCS = "git"
 style = "pep440"
 versionfile_source = "src/magicbag/_version.py"
 versionfile_build = "magicbag/_version.py"
-tag_prefix = "v"
+tag_prefix = ""
 parentdir_prefix = "magicbag-"
 
 [tool.isort]
diff --git a/src/magicbag/_version.py b/src/magicbag/_version.py
index 1480217..9bcc537 100644
--- a/src/magicbag/_version.py
+++ b/src/magicbag/_version.py
@@ -44,7 +44,7 @@ def get_config():
     cfg = VersioneerConfig()
     cfg.VCS = "git"
     cfg.style = "pep440"
-    cfg.tag_prefix = "v"
+    cfg.tag_prefix = ""
     cfg.parentdir_prefix = "magicbag-"
     cfg.versionfile_source = "src/magicbag/_version.py"
     cfg.verbose = False
@@ -261,9 +261,6 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, runner=run_command):
         "describe", "--tags", "--dirty", "--always", "--long",
         "--match", f"{tag_prefix}[[:digit:]]*"
     ], cwd=root)
-    print(f'describe_out: {describe_out}')
-    print(f'rc: {rc}')
-
     # --long was added in git-1.5.5
     if describe_out is None:
         raise NotThisMethod("'git describe' failed")
@@ -645,14 +642,11 @@ def get_versions():
                 "date": None}
 
     try:
-        # print(f'tag prefix:{cfg.tag_prefix}')
         pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose)
-        # print(f"pieces: {pieces}")
         return render(pieces, cfg.style)
     except NotThisMethod:
         pass
 
-    print(f'cfg parent dir:{cfg.parentdir_prefix}')
     try:
         if cfg.parentdir_prefix:
             return versions_from_parentdir(cfg.parentdir_prefix, root, verbose)