diff --git a/common/changes/@microsoft/tsdoc-config/trim-package_2025-10-08-12-00.json b/common/changes/@microsoft/tsdoc-config/trim-package_2025-10-08-12-00.json
new file mode 100644
index 00000000..6ebbfd2f
--- /dev/null
+++ b/common/changes/@microsoft/tsdoc-config/trim-package_2025-10-08-12-00.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/tsdoc-config",
+      "comment": "Remove test files and declaration maps from the published package.",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/tsdoc-config"
+}
\ No newline at end of file
diff --git a/common/changes/@microsoft/tsdoc/trim-package_2025-10-08-12-00.json b/common/changes/@microsoft/tsdoc/trim-package_2025-10-08-12-00.json
new file mode 100644
index 00000000..0fc5f573
--- /dev/null
+++ b/common/changes/@microsoft/tsdoc/trim-package_2025-10-08-12-00.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/tsdoc",
+      "comment": "Remove test files and declaration maps from the published package.",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@microsoft/tsdoc"
+}
\ No newline at end of file
diff --git a/tsdoc-config/.npmignore b/tsdoc-config/.npmignore
index bc349f9a..4fab72a8 100644
--- a/tsdoc-config/.npmignore
+++ b/tsdoc-config/.npmignore
@@ -30,3 +30,6 @@
 # ---------------------------------------------------------------------------
 # DO NOT MODIFY ABOVE THIS LINE!  Add any project-specific overrides below.
 # ---------------------------------------------------------------------------
+
+**/__tests__
+*.map.d.ts
\ No newline at end of file
diff --git a/tsdoc/.npmignore b/tsdoc/.npmignore
index dcb00eb9..f25d4ac4 100644
--- a/tsdoc/.npmignore
+++ b/tsdoc/.npmignore
@@ -32,3 +32,5 @@
 # ---------------------------------------------------------------------------
 
 !/schemas/**
+**/__tests__
+*.map.d.ts
\ No newline at end of file