diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index a606f0991..6dda5c02e 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -26920,7 +26920,6 @@ interface PopoverTargetAttributes {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction)
  */
 interface ProcessingInstruction extends CharacterData, LinkStyle {
-    readonly ownerDocument: Document;
     /**
      * The read-only **`target`** property of the ProcessingInstruction interface represent the application to which the ProcessingInstruction is targeted.
      *
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index 6b1ce43d3..c4f489707 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -26896,7 +26896,6 @@ interface PopoverTargetAttributes {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction)
  */
 interface ProcessingInstruction extends CharacterData, LinkStyle {
-    readonly ownerDocument: Document;
     /**
      * The read-only **`target`** property of the ProcessingInstruction interface represent the application to which the ProcessingInstruction is targeted.
      *
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index e02807e16..cdf8123a8 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -26917,7 +26917,6 @@ interface PopoverTargetAttributes {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction)
  */
 interface ProcessingInstruction extends CharacterData, LinkStyle {
-    readonly ownerDocument: Document;
     /**
      * The read-only **`target`** property of the ProcessingInstruction interface represent the application to which the ProcessingInstruction is targeted.
      *
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
index ad1f341d2..e2f589ea4 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -26917,7 +26917,6 @@ interface PopoverTargetAttributes {
  * [MDN Reference](https://developer.mozilla.org/docs/Web/API/ProcessingInstruction)
  */
 interface ProcessingInstruction extends CharacterData, LinkStyle {
-    readonly ownerDocument: Document;
     /**
      * The read-only **`target`** property of the ProcessingInstruction interface represent the application to which the ProcessingInstruction is targeted.
      *
diff --git a/inputfiles/addedTypes.jsonc b/inputfiles/addedTypes.jsonc
index e377c9546..d26210390 100644
--- a/inputfiles/addedTypes.jsonc
+++ b/inputfiles/addedTypes.jsonc
@@ -448,18 +448,6 @@
                         }
                     }
                 }
-            },
-            "ProcessingInstruction": {
-                "name": "ProcessingInstruction",
-                "properties": {
-                    "property": {
-                        "ownerDocument": {
-                            "name": "ownerDocument",
-                            "readonly": true,
-                            "type": "Document"
-                        }
-                    }
-                }
             }
         }
     },