diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 54f0758b3a9..f828fb02c0c 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -3125,9 +3125,8 @@ namespace ts {
             for (const prop of getPropertiesOfType(source)) {
                 const inNamesToRemove = prop.name in names;
                 const isPrivate = getDeclarationModifierFlagsFromSymbol(prop) & (ModifierFlags.Private | ModifierFlags.Protected);
-                const isMethod = prop.flags & SymbolFlags.Method;
                 const isSetOnlyAccessor = prop.flags & SymbolFlags.SetAccessor && !(prop.flags & SymbolFlags.GetAccessor);
-                if (!inNamesToRemove && !isPrivate && !isMethod && !isSetOnlyAccessor) {
+                if (!inNamesToRemove && !isPrivate && !isClassMethod(prop) && !isSetOnlyAccessor) {
                     members[prop.name] = prop;
                 }
             }