diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 406f3882..8cf82ffc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ['3.11']
-        typedoc-version: ['0.22', '0.23', '0.24', '0.25']
+        typedoc-version: ['0.23', '0.24', '0.25']
         experimental: [false]
 
     name: Python ${{ matrix.python-version}} + typedoc ${{ matrix.typedoc-version }}
diff --git a/noxfile.py b/noxfile.py
index 53d29829..c6eafd86 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -17,7 +17,7 @@ def tests(session: Session) -> None:
 
 
 @nox.session(python=["3.11"])
-@nox.parametrize("typedoc", ["0.22", "0.23", "0.24", "0.25"])
+@nox.parametrize("typedoc", ["0.23", "0.24", "0.25"])
 def test_typedoc(session: Session, typedoc: str) -> None:
 
     session.install("-r", "requirements_dev.txt")
diff --git a/sphinx_js/typedoc.py b/sphinx_js/typedoc.py
index 551180b2..c79bdecf 100644
--- a/sphinx_js/typedoc.py
+++ b/sphinx_js/typedoc.py
@@ -25,7 +25,7 @@
 
 __all__ = ["Analyzer"]
 
-MIN_TYPEDOC_VERSION = (0, 22, 0)
+MIN_TYPEDOC_VERSION = (0, 23, 0)
 
 
 @cache
@@ -138,19 +138,9 @@ def _populate_index_inner(
         children.append(node.children)
         if isinstance(node, Accessor):
             if node.getSignature:
-                if isinstance(node.getSignature, list):
-                    sig = node.getSignature[0]
-                else:
-                    sig = node.getSignature
-                node.getSignature = sig
-                children.append([sig])
+                children.append([node.getSignature])
             if node.setSignature:
-                if isinstance(node.setSignature, list):
-                    sig = node.setSignature[0]
-                else:
-                    sig = node.setSignature
-                node.setSignature = sig
-                children.append([sig])
+                children.append([node.setSignature])
 
         if isinstance(node, (Callable, TypeLiteral)):
             children.append(node.signatures)
@@ -299,10 +289,6 @@ class Tag(BaseModel):
 
 class Comment(BaseModel):
     returns: str = ""
-    # shortText and text are for version < 0.23
-    shortText: str | None
-    text: str | None
-    # summary and blockTags are for version >= 0.23
     summary: list[Summary] = []
     blockTags: list[Tag] = []
 
@@ -416,13 +402,12 @@ def _path_segments(self, base_dir: str) -> list[str]:
 
 class Accessor(NodeBase):
     kindString: Literal["Accessor"]
-    getSignature: "list[Signature] | Signature" = []
-    setSignature: "list[Signature] | Signature" = []
+    getSignature: "Signature | None" = None
+    setSignature: "Signature | None" = None
 
     def to_ir(self, converter: Converter) -> tuple[ir.Attribute, Sequence["Node"]]:
         if self.getSignature:
             # There's no signature to speak of for a getter: only a return type.
-            assert isinstance(self.getSignature, Signature)
             type = self.getSignature.type
         else:
             # ES6 says setters have exactly 1 param. I'm not sure if they
@@ -692,16 +677,8 @@ class OtherNode(NodeBase):
 
 def make_description(comment: Comment) -> str:
     """Construct a single comment string from a fancy object."""
-    if not (comment.summary or comment.shortText or comment.text):
+    if not comment.summary:
         return ""
-
-    if comment.shortText or comment.text:
-        # version <0.23
-        return "\n\n".join(
-            text for text in [comment.shortText, comment.text] if text
-        ).strip()
-
-    # version 0.23
     content = []
     prev = ""
     for s in comment.summary: