diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 14631fa69cb31..f418dbabcb844 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -21030,6 +21030,7 @@ namespace ts {
                             }
                             break;
                         case SyntaxKind.IndexSignature:
+                        case SyntaxKind.SemicolonClassElement:
                             // Can't be private
                             break;
                         default:
diff --git a/tests/baselines/reference/unusedSemicolonInClass.js b/tests/baselines/reference/unusedSemicolonInClass.js
new file mode 100644
index 0000000000000..c33f799fec439
--- /dev/null
+++ b/tests/baselines/reference/unusedSemicolonInClass.js
@@ -0,0 +1,13 @@
+//// [unusedSemicolonInClass.ts]
+class Unused {
+    ;
+}
+
+
+//// [unusedSemicolonInClass.js]
+var Unused = /** @class */ (function () {
+    function Unused() {
+    }
+    ;
+    return Unused;
+}());
diff --git a/tests/baselines/reference/unusedSemicolonInClass.symbols b/tests/baselines/reference/unusedSemicolonInClass.symbols
new file mode 100644
index 0000000000000..0e1832d1f3a6b
--- /dev/null
+++ b/tests/baselines/reference/unusedSemicolonInClass.symbols
@@ -0,0 +1,7 @@
+=== tests/cases/compiler/unusedSemicolonInClass.ts ===
+class Unused {
+>Unused : Symbol(Unused, Decl(unusedSemicolonInClass.ts, 0, 0))
+
+    ;
+}
+
diff --git a/tests/baselines/reference/unusedSemicolonInClass.types b/tests/baselines/reference/unusedSemicolonInClass.types
new file mode 100644
index 0000000000000..118259662f4ee
--- /dev/null
+++ b/tests/baselines/reference/unusedSemicolonInClass.types
@@ -0,0 +1,7 @@
+=== tests/cases/compiler/unusedSemicolonInClass.ts ===
+class Unused {
+>Unused : Unused
+
+    ;
+}
+
diff --git a/tests/cases/compiler/unusedSemicolonInClass.ts b/tests/cases/compiler/unusedSemicolonInClass.ts
new file mode 100644
index 0000000000000..5cd62690ba9d7
--- /dev/null
+++ b/tests/cases/compiler/unusedSemicolonInClass.ts
@@ -0,0 +1,4 @@
+// @noUnusedLocals: true
+class Unused {
+    ;
+}