Package category is not useful

src/poetry/packages/locker.py

@@ -126,7 +126,6 @@ def locked_repository(self) -> LockfileRepository:
  source_subdirectory=source.get("subdirectory"),
  )
  package.description = info.get("description", "")
- package.category = info.get("category", "main")
  package.optional = info["optional"]
  metadata = cast("dict[str, Any]", lock_data["metadata"])
 
@@ -425,7 +424,6 @@ def _dump_package(self, package: Package) -> dict[str, Any]:
  "name": package.pretty_name,
  "version": package.pretty_version,
  "description": package.description or "",
- "category": package.category,
  "optional": package.optional,
  "python-versions": package.python_versions,
  "files": sorted(

src/poetry/puzzle/solver.py

@@ -9,8 +9,6 @@
 from typing import Tuple
 from typing import TypeVar
 
-from poetry.core.packages.dependency_group import MAIN_GROUP
-
 from poetry.mixology import resolve_version
 from poetry.mixology.failure import SolveFailure
 from poetry.puzzle.exceptions import OverrideNeeded
@@ -273,11 +271,9 @@ def __init__(
  self.depth = -1
 
  if not previous:
- self.category = "dev"
  self.groups: frozenset[str] = frozenset()
  self.optional = True
  elif dep:
- self.category = "main" if MAIN_GROUP in dep.groups else "dev"
  self.groups = dep.groups
  self.optional = dep.is_optional()
  else:
@@ -327,14 +323,11 @@ def aggregate_package_nodes(nodes: list[PackageNode]) -> tuple[Package, int]:
  for node in nodes:
  groups.extend(node.groups)
 
- category = "main" if any(MAIN_GROUP in node.groups for node in nodes) else "dev"
  optional = all(node.optional for node in nodes)
  for node in nodes:
  node.depth = depth
- node.category = category
  node.optional = optional
 
- package.category = category
  package.optional = optional
 
  return package, depth

tests/console/commands/self/test_remove_plugins.py

@@ -45,7 +45,6 @@ def install_plugin(installed: Repository) -> None:
  {
  "name": "poetry-plugin",
  "version": "1.2.3",
- "category": "main",
  "optional": False,
  "platform": "*",
  "python-versions": "*",