diff --git a/clang/include/clang/AST/JSONNodeDumper.h b/clang/include/clang/AST/JSONNodeDumper.h
index 0ce272df8df65..03c903069ad87 100644
--- a/clang/include/clang/AST/JSONNodeDumper.h
+++ b/clang/include/clang/AST/JSONNodeDumper.h
@@ -214,7 +214,6 @@ class JSONNodeDumper
   void VisitUnavailableAttr(const UnavailableAttr *UA);
   void VisitSectionAttr(const SectionAttr *SA);
   void VisitVisibilityAttr(const VisibilityAttr *VA);
-  void VisitTLSModelAttr(const TLSModelAttr *TA);
 
   void VisitTypedefType(const TypedefType *TT);
   void VisitUsingType(const UsingType *TT);
diff --git a/clang/lib/AST/JSONNodeDumper.cpp b/clang/lib/AST/JSONNodeDumper.cpp
index 139dfce41e914..134938a1ef19a 100644
--- a/clang/lib/AST/JSONNodeDumper.cpp
+++ b/clang/lib/AST/JSONNodeDumper.cpp
@@ -559,10 +559,6 @@ void JSONNodeDumper::VisitVisibilityAttr(const VisibilityAttr *VA) {
                                   VA->getVisibility()));
 }
 
-void JSONNodeDumper::VisitTLSModelAttr(const TLSModelAttr *TA) {
-  JOS.attribute("tls_model", TA->getModel());
-}
-
 void JSONNodeDumper::VisitTypedefType(const TypedefType *TT) {
   JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
   if (!TT->typeMatchesDecl())
diff --git a/clang/test/AST/ast-dump-attr-json.cpp b/clang/test/AST/ast-dump-attr-json.cpp
index 24a5ff0888787..0eb930b851a15 100644
--- a/clang/test/AST/ast-dump-attr-json.cpp
+++ b/clang/test/AST/ast-dump-attr-json.cpp
@@ -19,7 +19,6 @@ __attribute__ ((section ("SECTION_NAME"))) int section_var;
 
 __attribute__ ((visibility ("hidden"))) int visibility_var;
 
-__thread __attribute__ ((tls_model ("local-exec"))) int tls_model_var;
 
 // NOTE: CHECK lines have been autogenerated by gen_ast_dump_json_test.py
 // using --filters=VarDecl
@@ -480,51 +479,3 @@ __thread __attribute__ ((tls_model ("local-exec"))) int tls_model_var;
 // CHECK-NEXT:   }
 // CHECK-NEXT:  ]
 // CHECK-NEXT: }
-
-
-// CHECK-NOT: {{^}}Dumping
-// CHECK:  "kind": "VarDecl",
-// CHECK-NEXT:  "loc": {
-// CHECK-NEXT:   "offset": 724,
-// CHECK-NEXT:   "line": 22,
-// CHECK-NEXT:   "col": 57,
-// CHECK-NEXT:   "tokLen": 13
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "range": {
-// CHECK-NEXT:   "begin": {
-// CHECK-NEXT:    "offset": 668,
-// CHECK-NEXT:    "col": 1,
-// CHECK-NEXT:    "tokLen": 8
-// CHECK-NEXT:   },
-// CHECK-NEXT:   "end": {
-// CHECK-NEXT:    "offset": 724,
-// CHECK-NEXT:    "col": 57,
-// CHECK-NEXT:    "tokLen": 13
-// CHECK-NEXT:   }
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "name": "tls_model_var",
-// CHECK-NEXT:  "mangledName": "tls_model_var",
-// CHECK-NEXT:  "type": {
-// CHECK-NEXT:   "qualType": "int"
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "tls": "static",
-// CHECK-NEXT:  "inner": [
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "TLSModelAttr",
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {
-// CHECK-NEXT:      "offset": 693,
-// CHECK-NEXT:      "col": 26,
-// CHECK-NEXT:      "tokLen": 9
-// CHECK-NEXT:     },
-// CHECK-NEXT:     "end": {
-// CHECK-NEXT:      "offset": 716,
-// CHECK-NEXT:      "col": 49,
-// CHECK-NEXT:      "tokLen": 1
-// CHECK-NEXT:     }
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "tls_model": "local-exec"
-// CHECK-NEXT:   }
-// CHECK-NEXT:  ]
-// CHECK-NEXT: }