diff --git a/lib/galaxy/workflow/modules.py b/lib/galaxy/workflow/modules.py
index abb72160652a..516c2eea22a7 100644
--- a/lib/galaxy/workflow/modules.py
+++ b/lib/galaxy/workflow/modules.py
@@ -14,7 +14,6 @@
     get_args,
     Iterable,
     List,
-    Literal,
     Optional,
     Tuple,
     Type,
@@ -109,13 +108,15 @@
 from galaxy.util.rules_dsl import RuleSet
 from galaxy.util.template import fill_template
 from galaxy.util.tool_shed.common_util import get_tool_shed_url_from_tool_shed_registry
-from galaxy.workflow.workflow_parameter_input_definitions import get_default_parameter
+from galaxy.workflow.workflow_parameter_input_definitions import (
+    get_default_parameter,
+    INPUT_PARAMETER_TYPES,
+)
 
 if TYPE_CHECKING:
     from galaxy.schema.invocation import InvocationMessageUnion
     from galaxy.workflow.run import WorkflowProgress
 
-
 log = logging.getLogger(__name__)
 
 # Key into Tool state to describe invocation-specific runtime properties.
@@ -125,7 +126,6 @@
 # ones.
 RUNTIME_POST_JOB_ACTIONS_KEY = "__POST_JOB_ACTIONS__"
 
-INPUT_PARAMETER_TYPES = Literal["text", "integer", "float", "boolean", "color", "directory_uri"]
 POSSIBLE_PARAMETER_TYPES: Tuple[INPUT_PARAMETER_TYPES] = get_args(INPUT_PARAMETER_TYPES)
 
 
@@ -1505,7 +1505,7 @@ def get_runtime_inputs(self, step, connections: Optional[Iterable[WorkflowStepCo
         parameter_type = parameter_def["parameter_type"]
         optional = parameter_def["optional"]
         default_value = parameter_def.get("default", self.default_default_value)
-        if parameter_type not in ["text", "boolean", "integer", "float", "color", "directory_uri"]:
+        if parameter_type not in POSSIBLE_PARAMETER_TYPES:
             raise ValueError("Invalid parameter type for workflow parameters encountered.")
 
         # Optional parameters for tool input source definition.
diff --git a/lib/galaxy/workflow/workflow_parameter_input_definitions.py b/lib/galaxy/workflow/workflow_parameter_input_definitions.py
index 8cb3bc110b5b..ee59a87d42a9 100644
--- a/lib/galaxy/workflow/workflow_parameter_input_definitions.py
+++ b/lib/galaxy/workflow/workflow_parameter_input_definitions.py
@@ -13,7 +13,7 @@
     TextToolParameter,
 )
 
-param_types = Literal["text", "integer", "float", "color", "boolean", "directory_uri"]
+INPUT_PARAMETER_TYPES = Literal["text", "integer", "float", "boolean", "color", "directory_uri"]
 default_source_type = Dict[str, Union[int, float, bool, str]]
 tool_param_type = Union[
     TextToolParameter,
@@ -25,21 +25,14 @@
 ]
 
 
-def get_default_parameter(param_type: param_types) -> tool_param_type:
+def get_default_parameter(param_type: INPUT_PARAMETER_TYPES) -> tool_param_type:
     """
     param_type is the type of parameter we want to build up, stored_parameter_type is the parameter_type
     as stored in the tool state
     """
     default_source: default_source_type = dict(name="default", label="Default Value", type=param_type, optional=False)
     if param_type == "text":
-        input_default_value: Union[
-            TextToolParameter,
-            IntegerToolParameter,
-            FloatToolParameter,
-            BooleanToolParameter,
-            ColorToolParameter,
-            DirectoryUriToolParameter,
-        ] = TextToolParameter(None, default_source)
+        input_default_value: tool_param_type = TextToolParameter(None, default_source)
     elif param_type == "integer":
         input_default_value = IntegerToolParameter(None, default_source)
     elif param_type == "float":