diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts
index f61aa3ab900eb..1c19968c92795 100644
--- a/src/compiler/binder.ts
+++ b/src/compiler/binder.ts
@@ -567,7 +567,8 @@ namespace ts {
                 //       and this case is specially handled. Module augmentations should only be merged with original module definition
                 //       and should never be merged directly with other augmentation, and the latter case would be possible if automatic merge is allowed.
                 if (isJSDocTypeAlias(node)) Debug.assert(isInJSFile(node)); // We shouldn't add symbols for JSDoc nodes if not in a JS file.
-                if ((!isAmbientModule(node) && (hasExportModifier || container.flags & NodeFlags.ExportContext)) || isJSDocTypeAlias(node)) {
+                if ((!isAmbientModule(node) && (hasExportModifier || container.flags & NodeFlags.ExportContext))
+                    || (isJSDocTypeAlias(node) && (isJSDocTypedefTag(node) || !container.locals))) {
                     if (!container.locals || (hasSyntacticModifier(node, ModifierFlags.Default) && !getDeclarationName(node))) {
                         return declareSymbol(container.symbol.exports!, container.symbol, node, symbolFlags, symbolExcludes); // No local symbol for an unnamed default!
                     }
diff --git a/tests/baselines/reference/callbackCrossModule.errors.txt b/tests/baselines/reference/callbackCrossModule.errors.txt
new file mode 100644
index 0000000000000..b858307eaf25d
--- /dev/null
+++ b/tests/baselines/reference/callbackCrossModule.errors.txt
@@ -0,0 +1,25 @@
+tests/cases/conformance/jsdoc/use.js(1,30): error TS2694: Namespace 'C' has no exported member 'Con'.
+
+
+==== tests/cases/conformance/jsdoc/mod1.js (0 errors) ====
+    /** @callback Con - some kind of continuation
+     * @param {object | undefined} error
+     * @return {any} I don't even know what this should return
+     */
+    module.exports = C
+    function C() {
+        this.p = 1
+    }
+    
+==== tests/cases/conformance/jsdoc/use.js (1 errors) ====
+    /** @param {import('./mod1').Con} k */
+                                 ~~~
+!!! error TS2694: Namespace 'C' has no exported member 'Con'.
+    function f(k) {
+        if (1 === 2 - 1) {
+            // I guess basic math works!
+        }
+        return k({ ok: true})
+    }
+    
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/callbackCrossModule.types b/tests/baselines/reference/callbackCrossModule.types
index 5138fca3471cf..eaed1cbb5bb4b 100644
--- a/tests/baselines/reference/callbackCrossModule.types
+++ b/tests/baselines/reference/callbackCrossModule.types
@@ -24,8 +24,8 @@ function C() {
 === tests/cases/conformance/jsdoc/use.js ===
 /** @param {import('./mod1').Con} k */
 function f(k) {
->f : (k: import('./mod1').Con) => any
->k : import("tests/cases/conformance/jsdoc/mod1").Con
+>f : (k: any) => any
+>k : any
 
     if (1 === 2 - 1) {
 >1 === 2 - 1 : boolean
@@ -38,7 +38,7 @@ function f(k) {
     }
     return k({ ok: true})
 >k({ ok: true}) : any
->k : import("tests/cases/conformance/jsdoc/mod1").Con
+>k : any
 >{ ok: true} : { ok: boolean; }
 >ok : boolean
 >true : true
diff --git a/tests/baselines/reference/callbackTagNamespace.errors.txt b/tests/baselines/reference/callbackTagNamespace.errors.txt
new file mode 100644
index 0000000000000..9b528e716e6e3
--- /dev/null
+++ b/tests/baselines/reference/callbackTagNamespace.errors.txt
@@ -0,0 +1,21 @@
+tests/cases/conformance/jsdoc/namespaced.js(8,5): error TS8030: The type of a function declaration must match the function's signature.
+tests/cases/conformance/jsdoc/namespaced.js(8,22): error TS2694: Namespace 'NS.Nested' has no exported member 'Inner'.
+
+
+==== tests/cases/conformance/jsdoc/namespaced.js (2 errors) ====
+    /**
+     * @callback NS.Nested.Inner
+     * @param {Object} space - spaaaaaaaaace
+     * @param {Object} peace - peaaaaaaaaace
+     * @return {string | number}
+     */
+    var x = 1;
+    /** @type {NS.Nested.Inner} */
+        ~~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS8030: The type of a function declaration must match the function's signature.
+                         ~~~~~
+!!! error TS2694: Namespace 'NS.Nested' has no exported member 'Inner'.
+    function f(space, peace) {
+        return '1'
+    }
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/callbackTagNamespace.types b/tests/baselines/reference/callbackTagNamespace.types
index 11d4fa5f7e682..8bca9a56a5c46 100644
--- a/tests/baselines/reference/callbackTagNamespace.types
+++ b/tests/baselines/reference/callbackTagNamespace.types
@@ -11,7 +11,7 @@ var x = 1;
 
 /** @type {NS.Nested.Inner} */
 function f(space, peace) {
->f : (space: any, peace: any) => string | number
+>f : (space: any, peace: any) => string
 >space : any
 >peace : any
 
diff --git a/tests/baselines/reference/enumTagImported.errors.txt b/tests/baselines/reference/enumTagImported.errors.txt
new file mode 100644
index 0000000000000..3211bf46fad59
--- /dev/null
+++ b/tests/baselines/reference/enumTagImported.errors.txt
@@ -0,0 +1,25 @@
+tests/cases/conformance/jsdoc/value.js(3,7): error TS2322: Type 'string' is not assignable to type '{ ADD: string; REMOVE: string; }'.
+
+
+==== tests/cases/conformance/jsdoc/type.js (0 errors) ====
+    /** @typedef {import("./mod1").TestEnum} TE */
+    /** @type {TE} */
+    const test = 'add'
+    /** @type {import("./mod1").TestEnum} */
+    const tost = 'remove'
+    
+==== tests/cases/conformance/jsdoc/value.js (1 errors) ====
+    import { TestEnum } from "./mod1"
+    /** @type {TestEnum} */
+    const tist = TestEnum.ADD
+          ~~~~
+!!! error TS2322: Type 'string' is not assignable to type '{ ADD: string; REMOVE: string; }'.
+    
+    
+==== tests/cases/conformance/jsdoc/mod1.js (0 errors) ====
+    /** @enum {string} */
+    export const TestEnum = {
+        ADD: 'add',
+        REMOVE: 'remove'
+    }
+    
\ No newline at end of file
diff --git a/tests/baselines/reference/enumTagImported.symbols b/tests/baselines/reference/enumTagImported.symbols
index a79198aaae10f..ab9ab5eceb1d3 100644
--- a/tests/baselines/reference/enumTagImported.symbols
+++ b/tests/baselines/reference/enumTagImported.symbols
@@ -23,7 +23,7 @@ const tist = TestEnum.ADD
 === tests/cases/conformance/jsdoc/mod1.js ===
 /** @enum {string} */
 export const TestEnum = {
->TestEnum : Symbol(TestEnum, Decl(mod1.js, 1, 12), Decl(mod1.js, 0, 4))
+>TestEnum : Symbol(TestEnum, Decl(mod1.js, 1, 12))
 
     ADD: 'add',
 >ADD : Symbol(ADD, Decl(mod1.js, 1, 25))
diff --git a/tests/baselines/reference/enumTagImported.types b/tests/baselines/reference/enumTagImported.types
index bd02d08d8cd72..21e1c9333d9c5 100644
--- a/tests/baselines/reference/enumTagImported.types
+++ b/tests/baselines/reference/enumTagImported.types
@@ -2,12 +2,12 @@
 /** @typedef {import("./mod1").TestEnum} TE */
 /** @type {TE} */
 const test = 'add'
->test : string
+>test : any
 >'add' : "add"
 
 /** @type {import("./mod1").TestEnum} */
 const tost = 'remove'
->tost : string
+>tost : any
 >'remove' : "remove"
 
 === tests/cases/conformance/jsdoc/value.js ===
@@ -16,7 +16,7 @@ import { TestEnum } from "./mod1"
 
 /** @type {TestEnum} */
 const tist = TestEnum.ADD
->tist : string
+>tist : { ADD: string; REMOVE: string; }
 >TestEnum.ADD : string
 >TestEnum : { ADD: string; REMOVE: string; }
 >ADD : string
diff --git a/tests/baselines/reference/enumTagOnExports.symbols b/tests/baselines/reference/enumTagOnExports.symbols
index 89257c00d49e0..7306bf4fb960e 100644
--- a/tests/baselines/reference/enumTagOnExports.symbols
+++ b/tests/baselines/reference/enumTagOnExports.symbols
@@ -1,15 +1,15 @@
 === tests/cases/conformance/jsdoc/enumTagOnExports.js ===
 /** @enum {number} */
 exports.a = {};
->exports.a : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8), Decl(enumTagOnExports.js, 0, 4))
->exports : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8), Decl(enumTagOnExports.js, 0, 4))
->a : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8), Decl(enumTagOnExports.js, 0, 4))
+>exports.a : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8))
+>exports : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8))
+>a : Symbol(a, Decl(enumTagOnExports.js, 0, 0), Decl(enumTagOnExports.js, 1, 8))
 
 /** @enum {string} */
 module.exports.b = {};
->module.exports.b : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15), Decl(enumTagOnExports.js, 3, 4))
->module.exports : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15), Decl(enumTagOnExports.js, 3, 4))
+>module.exports.b : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15))
+>module.exports : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15))
 >module : Symbol(module, Decl(enumTagOnExports.js, 1, 15))
 >exports : Symbol("tests/cases/conformance/jsdoc/enumTagOnExports", Decl(enumTagOnExports.js, 0, 0))
->b : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15), Decl(enumTagOnExports.js, 3, 4))
+>b : Symbol(b, Decl(enumTagOnExports.js, 1, 15), Decl(enumTagOnExports.js, 4, 15))
 
diff --git a/tests/baselines/reference/exportedAliasedEnumTag.symbols b/tests/baselines/reference/exportedAliasedEnumTag.symbols
index 81cc69aa7e0e4..0b14b9383e79a 100644
--- a/tests/baselines/reference/exportedAliasedEnumTag.symbols
+++ b/tests/baselines/reference/exportedAliasedEnumTag.symbols
@@ -7,9 +7,9 @@ var middlewarify = module.exports = {};
 
 /** @enum */
 middlewarify.Type = {
->middlewarify.Type : Symbol(Type, Decl(exportedAliasedEnumTag.js, 0, 39), Decl(exportedAliasedEnumTag.js, 3, 13), Decl(exportedAliasedEnumTag.js, 2, 4))
+>middlewarify.Type : Symbol(Type, Decl(exportedAliasedEnumTag.js, 0, 39), Decl(exportedAliasedEnumTag.js, 3, 13))
 >middlewarify : Symbol(middlewarify, Decl(exportedAliasedEnumTag.js, 0, 3))
->Type : Symbol(Type, Decl(exportedAliasedEnumTag.js, 0, 39), Decl(exportedAliasedEnumTag.js, 3, 13), Decl(exportedAliasedEnumTag.js, 2, 4))
+>Type : Symbol(Type, Decl(exportedAliasedEnumTag.js, 0, 39), Decl(exportedAliasedEnumTag.js, 3, 13))
 
   BEFORE: 'before'
 >BEFORE : Symbol(BEFORE, Decl(exportedAliasedEnumTag.js, 3, 21))
diff --git a/tests/baselines/reference/jsDeclarationsEnumTag.js b/tests/baselines/reference/jsDeclarationsEnumTag.js
index 7dedb929011aa..99016cf7db4f3 100644
--- a/tests/baselines/reference/jsDeclarationsEnumTag.js
+++ b/tests/baselines/reference/jsDeclarationsEnumTag.js
@@ -111,21 +111,22 @@ exports.ff = ff;
 export function consume(t: Target, s: Second, f: Fs): void;
 /** @param {string} s */
 export function ff(s: string): any;
-export type Target = string;
 export namespace Target {
     const START: string;
     const MIDDLE: string;
     const END: string;
     const OK_I_GUESS: number;
 }
-export type Second = number;
 export namespace Second {
     const OK: number;
     const FINE: number;
 }
-export type Fs = (arg0: number) => number;
 export namespace Fs {
     function ADD1(n: any): any;
     function ID(n: any): any;
     function SUB1(n: any): number;
 }
+type Target = string;
+type Second = number;
+type Fs = (arg0: number) => number;
+export {};
diff --git a/tests/baselines/reference/jsDeclarationsEnumTag.symbols b/tests/baselines/reference/jsDeclarationsEnumTag.symbols
index d2e73aaca5a55..cb474786f23ff 100644
--- a/tests/baselines/reference/jsDeclarationsEnumTag.symbols
+++ b/tests/baselines/reference/jsDeclarationsEnumTag.symbols
@@ -1,7 +1,7 @@
 === tests/cases/conformance/jsdoc/declarations/index.js ===
 /** @enum {string} */
 export const Target = {
->Target : Symbol(Target, Decl(index.js, 1, 12), Decl(index.js, 0, 4))
+>Target : Symbol(Target, Decl(index.js, 1, 12))
 
     START: "start",
 >START : Symbol(START, Decl(index.js, 1, 23))
@@ -18,7 +18,7 @@ export const Target = {
 }
 /** @enum number */
 export const Second = {
->Second : Symbol(Second, Decl(index.js, 9, 12), Decl(index.js, 8, 4))
+>Second : Symbol(Second, Decl(index.js, 9, 12))
 
     OK: 1,
 >OK : Symbol(OK, Decl(index.js, 9, 23))
@@ -29,7 +29,7 @@ export const Second = {
 }
 /** @enum {function(number): number} */
 export const Fs = {
->Fs : Symbol(Fs, Decl(index.js, 15, 12), Decl(index.js, 14, 4))
+>Fs : Symbol(Fs, Decl(index.js, 15, 12))
 
     ADD1: n => n + 1,
 >ADD1 : Symbol(ADD1, Decl(index.js, 15, 19))
@@ -77,7 +77,7 @@ export function consume(t,s,f) {
     var v = Target.START
 >v : Symbol(v, Decl(index.js, 34, 7))
 >Target.START : Symbol(START, Decl(index.js, 1, 23))
->Target : Symbol(Target, Decl(index.js, 1, 12), Decl(index.js, 0, 4))
+>Target : Symbol(Target, Decl(index.js, 1, 12))
 >START : Symbol(START, Decl(index.js, 1, 23))
 
     v = 'something else' // allowed, like Typescript's classic enums and unlike its string enums
@@ -90,14 +90,14 @@ export function ff(s) {
 
     // element access with arbitrary string is an error only with noImplicitAny
     if (!Target[s]) {
->Target : Symbol(Target, Decl(index.js, 1, 12), Decl(index.js, 0, 4))
+>Target : Symbol(Target, Decl(index.js, 1, 12))
 >s : Symbol(s, Decl(index.js, 38, 19))
 
         return null
     }
     else {
         return Target[s]
->Target : Symbol(Target, Decl(index.js, 1, 12), Decl(index.js, 0, 4))
+>Target : Symbol(Target, Decl(index.js, 1, 12))
 >s : Symbol(s, Decl(index.js, 38, 19))
     }
 }
diff --git a/tests/baselines/reference/jsDeclarationsFunctionPrototypeStatic.js b/tests/baselines/reference/jsDeclarationsFunctionPrototypeStatic.js
index 27e300ffbdf70..c2f20a6919b87 100644
--- a/tests/baselines/reference/jsDeclarationsFunctionPrototypeStatic.js
+++ b/tests/baselines/reference/jsDeclarationsFunctionPrototypeStatic.js
@@ -34,11 +34,6 @@ declare class MyClass {
     method(): void;
 }
 declare namespace MyClass {
-    export { staticMethod, staticProperty, DoneCB };
+    function staticMethod(): void;
+    const staticProperty: number;
 }
-declare function staticMethod(): void;
-declare var staticProperty: number;
-/**
- * Callback to be invoked when test execution is complete.
- */
-type DoneCB = (failures: number) => any;
diff --git a/tests/baselines/reference/jsDeclarationsTypeAliases.js b/tests/baselines/reference/jsDeclarationsTypeAliases.js
index 0b37a9a5b2644..b000a7024ec6e 100644
--- a/tests/baselines/reference/jsDeclarationsTypeAliases.js
+++ b/tests/baselines/reference/jsDeclarationsTypeAliases.js
@@ -107,17 +107,9 @@ var LocalThing = /** @class */ (function () {
 
 //// [index.d.ts]
 export type PropName = string | number | symbol;
-/**
- * Callback
- */
-export type NumberToStringCb = (a: number) => string;
 export type MixinName<T> = T & {
     name: string;
 };
-/**
- * Identity function
- */
-export type Identity<T> = (x: T) => T;
 //// [mixed.d.ts]
 export type SomeType = number | {
     x: string;
diff --git a/tests/baselines/reference/jsEnumTagOnObjectFrozen.symbols b/tests/baselines/reference/jsEnumTagOnObjectFrozen.symbols
index 18610423aeaff..ecdf10f8ea467 100644
--- a/tests/baselines/reference/jsEnumTagOnObjectFrozen.symbols
+++ b/tests/baselines/reference/jsEnumTagOnObjectFrozen.symbols
@@ -55,9 +55,9 @@ const Thing = Object.freeze({
 });
 
 exports.Thing = Thing;
->exports.Thing : Symbol(Thing, Decl(index.js, 4, 3), Decl(index.js, 0, 4))
->exports : Symbol(Thing, Decl(index.js, 4, 3), Decl(index.js, 0, 4))
->Thing : Symbol(Thing, Decl(index.js, 4, 3), Decl(index.js, 0, 4))
+>exports.Thing : Symbol(Thing, Decl(index.js, 4, 3))
+>exports : Symbol(Thing, Decl(index.js, 4, 3))
+>Thing : Symbol(Thing, Decl(index.js, 4, 3))
 >Thing : Symbol(Thing, Decl(index.js, 1, 5), Decl(index.js, 0, 4))
 
 /**
diff --git a/tests/cases/fourslash/quickInfoJSExport.ts b/tests/cases/fourslash/quickInfoJSExport.ts
index 24a9bd00fa30b..6b2fbc16dd842 100644
--- a/tests/cases/fourslash/quickInfoJSExport.ts
+++ b/tests/cases/fourslash/quickInfoJSExport.ts
@@ -15,8 +15,7 @@
 //// export { test/**/String };
 
 verify.quickInfoAt("",
-`type testString = string
-(alias) type testString = any
+`(alias) type testString = string
 (alias) const testString: {
     one: string;
     two: string;