JavaScriptPlugins
diff --git a/‎src/compiler/checker.ts‎
Lines changed: 4 additions & 2 deletions b/‎src/compiler/checker.ts‎
Lines changed: 4 additions & 2 deletions
diff --git a/‎tests/baselines/reference/controlFlowLetVar.js‎
Lines changed: 0 additions & 247 deletions b/‎tests/baselines/reference/controlFlowLetVar.js‎
Lines changed: 0 additions & 247 deletions
@@ -3239,9 +3239,11 @@ namespace ts {
                 return addOptionality(getTypeFromTypeNode(declaration.type), /*optional*/ declaration.questionToken && includeOptionality);
             }
 
-            if (declaration.kind === SyntaxKind.VariableDeclaration && !isBindingPattern(declaration.name) &&
+            if (compilerOptions.noImplicitAny &&
+                declaration.kind === SyntaxKind.VariableDeclaration && !isBindingPattern(declaration.name) &&
                 !(getCombinedModifierFlags(declaration) & ModifierFlags.Export) && !isInAmbientContext(declaration)) {
-                // Use control flow tracked 'any' type for non-ambient, non-exported var or let variables with no
+                // If --noImplicitAny is on,
+                // use control flow tracked 'any' type for non-ambient, non-exported var or let variables with no
                 // initializer or a 'null' or 'undefined' initializer.
                 if (!(getCombinedNodeFlags(declaration) & NodeFlags.Const) && (!declaration.initializer || isNullOrUndefined(declaration.initializer))) {
                     return autoType;