diff --git a/snakemake/config.smk b/snakemake/config.smk
index 2f0df30..208ae5f 100644
--- a/snakemake/config.smk
+++ b/snakemake/config.smk
@@ -54,74 +54,6 @@ class InvalidConfigError(Exception):
     pass
 
 
-def resolve_filepaths(filepaths):
-    """
-    Update filepaths in-place by passing them through resolve_config_path().
-
-    `filepaths` must be a list of key tuples representing filepaths in config.
-    Use "*" as a a key-expansion placeholder: it means "iterate over all keys at
-    this level".
-    """
-    global config
-
-    for keys in filepaths:
-        _traverse(config, keys, traversed_keys=[])
-
-
-def _traverse(config_section, keys, traversed_keys):
-    """
-    Recursively walk through the config following a list of keys.
-
-    When the final key is reached, the value is updated in place.
-    """
-    key = keys[0]
-    remaining_keys = keys[1:]
-
-    if key == "*":
-        for key in config_section:
-            if len(remaining_keys) == 0:
-                _update_value_inplace(config_section, key, traversed_keys=traversed_keys + [f'* ({key})'])
-            else:
-                if isinstance(config_section[key], dict):
-                    _traverse(config_section[key], remaining_keys, traversed_keys=traversed_keys + [f'* ({key})'])
-                else:
-                    # Value for key is not a dict
-                    # Leave as-is - this may be valid config value.
-                    continue
-    elif key in config_section:
-        if len(remaining_keys) == 0:
-            _update_value_inplace(config_section, key, traversed_keys=traversed_keys + [key])
-        else:
-            _traverse(config_section[key], remaining_keys, traversed_keys=traversed_keys + [key])
-    else:
-        # Key not present in config section
-        # Ignore - this may be an optional parameter.
-        return
-
-
-def _update_value_inplace(config_section, key, traversed_keys):
-    """
-    Update the value at 'config_section[key]' with resolve_config_path().
-
-    resolve_config_path() returns a callable which has the ability to replace
-    {var} in filepath strings. This was originally designed to support Snakemake
-    wildcards, but those are not applicable here since this code is not running
-    in the context of a Snakemake rule. It is unused here - the callable is
-    given an empty dict.
-    """
-    value = config_section[key]
-    traversed = ' → '.join(repr(key) for key in traversed_keys)
-    if isinstance(value, list):
-        for path in value:
-            assert isinstance(path, str), f"ERROR: Expected string but got {type(path).__name__} at {traversed}."
-        new_value = [resolve_config_path(path)({}) for path in value]
-    else:
-        assert isinstance(value, str), f"ERROR: Expected string but got {type(value).__name__} at {traversed}."
-        new_value = resolve_config_path(value)({})
-    config_section[key] = new_value
-    print(f"Resolved {value!r} to {new_value!r}.", file=sys.stderr)
-
-
 def resolve_config_path(path: str, defaults_dir: Optional[str] = None) -> Callable[[Wildcards], str]:
     """
     Resolve a relative *path* given in a configuration value. Will always try to