diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 4d936320ba6..6a99cf9a67c 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -1146,7 +1146,7 @@ namespace ts {
                         }
                         for (const id in lookupTable) {
                             const { exportsWithDuplicate } = lookupTable[id];
-                            // It's not an error if the file with multiple export *'s with duplicate names exports a member with that name itself
+                            // It's not an error if the file with multiple `export *`s with duplicate names exports a member with that name itself
                             if (id === "export=" || !exportsWithDuplicate.length || hasProperty(symbols, id)) {
                                 continue;
                             }
diff --git a/src/compiler/emitter.ts b/src/compiler/emitter.ts
index 947b88567d9..19f1e51565b 100644
--- a/src/compiler/emitter.ts
+++ b/src/compiler/emitter.ts
@@ -6211,7 +6211,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
                     // do not emit var if variable was already hoisted
 
                     const isES6ExportedEnum = isES6ExportedDeclaration(node);
-                    if ((!(node.flags & NodeFlags.Export)) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, SyntaxKind.EnumDeclaration))) {
+                    if (!(node.flags & NodeFlags.Export) || (isES6ExportedEnum && isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, SyntaxKind.EnumDeclaration))) {
                         emitStart(node);
                         if (isES6ExportedEnum) {
                             write("export ");
@@ -6328,7 +6328,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, Promi
 
                 if (emitVarForModule) {
                     const isES6ExportedNamespace = isES6ExportedDeclaration(node);
-                    if ((!isES6ExportedNamespace) || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, SyntaxKind.ModuleDeclaration)) {
+                    if (!isES6ExportedNamespace || isFirstDeclarationOfKind(node, node.symbol && node.symbol.declarations, SyntaxKind.ModuleDeclaration)) {
                         emitStart(node);
                         if (isES6ExportedNamespace) {
                             write("export ");