diff --git a/lib/galaxy/tool_util/deps/mulled/mulled_build_tool.py b/lib/galaxy/tool_util/deps/mulled/mulled_build_tool.py
index 9ba211effb16..a9dfea4d66d7 100644
--- a/lib/galaxy/tool_util/deps/mulled/mulled_build_tool.py
+++ b/lib/galaxy/tool_util/deps/mulled/mulled_build_tool.py
@@ -28,16 +28,6 @@
 
 
 def _mulled_build_tool(tool, args):
-    """
-    test verifies that the v2 hashes are the identical with and without using a build in the versions
-    >>> import doctest
-    >>> doctest.ELLIPSIS_MARKER = '-ignore-'
-    >>> import argparse
-    >>> _mulled_build_tool("test/functional/tools/mulled_example_multi_1.xml", argparse.Namespace(dry_run=True, base_image="does-not-matter-here-but-test-is-fast", command="build", verbose=True, involucro_path="./involucro"))  # doctest: +ELLIPSIS
-    -ignore- TARGETS=samtools=1.3.1,bedtools=2.26.0 -ignore- REPO=quay.io/biocontainers/mulled-v2-8186960447c5cb2faa697666dc1e6d919ad23f3e:a6419f25efff953fc505dbd5ee734856180bb619-0 -ignore-
-    >>> _mulled_build_tool("test/functional/tools/mulled_example_multi_2.xml", argparse.Namespace(dry_run=True, base_image="does-not-matter-here-but-test-is-fast", command="build", verbose=True, involucro_path="./involucro"))  # doctest: +ELLIPSIS
-    -ignore- TARGETS=samtools=1.3.1=h9071d68_10,bedtools=2.26.0=0 -ignore- REPO=quay.io/biocontainers/mulled-v2-8186960447c5cb2faa697666dc1e6d919ad23f3e:a6419f25efff953fc505dbd5ee734856180bb619-0 -ignore-
-    """
     tool_source = get_tool_source(tool)
     requirements, *_ = tool_source.parse_requirements_and_containers()
     targets = requirements_to_mulled_targets(requirements)