diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
index b02190d19579..62a7c07c6764 100644
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -2245,7 +2245,6 @@ export default class ExpressionParser extends LValParser {
               if (refExpressionErrors.privateKey === -1) {
                 refExpressionErrors.privateKey = privateKeyPos;
               }
-              this.classScope.usePrivateName(value, privateKeyPos);
             } else {
               this.raise(privateKeyPos, Errors.UnexpectedPrivateField);
             }
diff --git a/packages/babel-parser/src/parser/lval.js b/packages/babel-parser/src/parser/lval.js
index 200012247f54..9aeae0b4a888 100644
--- a/packages/babel-parser/src/parser/lval.js
+++ b/packages/babel-parser/src/parser/lval.js
@@ -143,9 +143,14 @@ export default class LValParser extends NodeUtils {
         }
         break;
 
-      case "ObjectProperty":
-        this.toAssignable(node.value, isLHS);
+      case "ObjectProperty": {
+        const { key, value } = node;
+        if (this.isPrivateName(key)) {
+          this.classScope.usePrivateName(this.getPrivateNameSV(key), key.start);
+        }
+        this.toAssignable(value, isLHS);
         break;
+      }
 
       case "SpreadElement": {
         this.checkToRestConversion(node);
diff --git a/packages/babel-parser/src/plugins/estree.js b/packages/babel-parser/src/plugins/estree.js
index 38b97f76672d..f5fbfd210d72 100644
--- a/packages/babel-parser/src/plugins/estree.js
+++ b/packages/babel-parser/src/plugins/estree.js
@@ -336,8 +336,11 @@ export default (superClass: Class<Parser>): Class<Parser> =>
 
     toAssignable(node: N.Node, isLHS: boolean = false): N.Node {
       if (node != null && this.isObjectProperty(node)) {
-        this.toAssignable(node.value, isLHS);
-
+        const { key, value } = node;
+        if (this.isPrivateName(key)) {
+          this.classScope.usePrivateName(this.getPrivateNameSV(key), key.start);
+        }
+        this.toAssignable(value, isLHS);
         return node;
       }
 
diff --git a/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-method/output.json b/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-method/output.json
index c652c2c767db..7b0a93594846 100644
--- a/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-method/output.json
+++ b/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-method/output.json
@@ -2,8 +2,7 @@
   "type": "File",
   "start":0,"end":33,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p). (2:10)",
-    "SyntaxError: Private name #x is not defined. (2:10)"
+    "SyntaxError: Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p). (2:10)"
   ],
   "program": {
     "type": "Program",
diff --git a/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-property/output.json b/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-property/output.json
index f9bedeefa247..d7360fbbf53b 100644
--- a/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-property/output.json
+++ b/packages/babel-parser/test/fixtures/es2022/class-private-properties/invalid-object-property/output.json
@@ -2,8 +2,7 @@
   "type": "File",
   "start":0,"end":32,"loc":{"start":{"line":1,"column":0},"end":{"line":3,"column":1}},
   "errors": [
-    "SyntaxError: Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p). (2:10)",
-    "SyntaxError: Private name #x is not defined. (2:10)"
+    "SyntaxError: Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p). (2:10)"
   ],
   "program": {
     "type": "Program",