diff --git a/setup.py b/setup.py
index 7307c30bf..3bd65e421 100644
--- a/setup.py
+++ b/setup.py
@@ -127,30 +127,6 @@ def parse_version(version_file):
         version = fp.read().strip()
         assert semver_prog.match(version) is not None
 
-    if os.getenv("CIBUILDWHEEL") is not None:
-        ci_ref = os.getenv("GITHUB_REF")
-        assert ci_ref is not None, "Github ref not found, are we running in CI?"
-
-        ci_version_match = semver_prog.search(ci_ref)
-        assert ci_version_match is not None, f"Couldn't match semver in {ci_ref}"
-
-        ci_version = ci_version_match.group(0)
-        assert ci_version.startswith(
-            version
-        ), f"{ci_version} not prefixed with {version}"
-
-        version = ci_version
-    else:
-        sha = (
-            subprocess.run(
-                ["git", "rev-parse", "--short", "HEAD"], capture_output=True, cwd=here
-            )
-            .stdout.decode("ascii")
-            .strip()
-        )
-        if sha:
-            version += f"+{sha}"
-
     return version