diff --git a/docs/settings.md b/docs/settings.md
index 6d34ef7..d99bc74 100644
--- a/docs/settings.md
+++ b/docs/settings.md
@@ -76,7 +76,7 @@
 
 ### `go.buildOnSave`
 
-Compiles code on file save using 'go build -i' or 'go test -c -i'. Options are 'workspace', 'package', or 'off'.
+Compiles code on file save using 'go build' or 'go test -c'. Options are 'workspace', 'package', or 'off'.  Not applicable when using the language server's diagnostics is used. See 'go.languageServerExperimentalFeatures.diagnostics' setting.
 
 Allowed Values:`[package workspace off]`
 
@@ -324,6 +324,21 @@
 
 Default: `false`
 
+### `go.languageServerExperimentalFeatures`
+
+Temporary flag to enable/disable diagnostics from the language server. This setting will be deprecated soon. Please see and response to [Issue 50](https://github.com/golang/vscode-go/issues/50).
+
+| Properties | Description |
+| --- | --- |
+| `diagnostics` | If true, the language server will provide build, vet errors and the extension will ignore the `buildOnSave`, `vetOnSave` settings. |
+| | |
+
+
+Default:{<br/>
+&nbsp;&nbsp;`"diagnostics": true`,<br/>
+    }
+
+
 ### `go.languageServerFlags`
 
 Flags like -rpc.trace and -logfile to be used while running the language server.
@@ -515,7 +530,7 @@
 
 ### `go.vetOnSave`
 
-Vets code on file save using 'go tool vet'. Not applicable when using the language server.
+Vets code on file save using 'go tool vet'. Not applicable when using the language server's diagnostics is used. See 'go.languageServerExperimentalFeatures.diagnostics' setting.
 
 Allowed Values:`[package workspace off]`
 
diff --git a/package.json b/package.json
index 878070c..720b688 100644
--- a/package.json
+++ b/package.json
@@ -1266,7 +1266,7 @@
             "off"
           ],
           "default": "package",
-          "description": "Compiles code on file save using 'go build -i' or 'go test -c -i'. Options are 'workspace', 'package', or 'off'.",
+          "description": "Compiles code on file save using 'go build' or 'go test -c'. Options are 'workspace', 'package', or 'off'.  Not applicable when using the language server's diagnostics is used. See 'go.languageServerExperimentalFeatures.diagnostics' setting.",
           "scope": "resource"
         },
         "go.buildFlags": {
@@ -1340,7 +1340,7 @@
             "off"
           ],
           "default": "package",
-          "description": "Vets code on file save using 'go tool vet'. Not applicable when using the language server.",
+          "description": "Vets code on file save using 'go tool vet'. Not applicable when using the language server's diagnostics is used. See 'go.languageServerExperimentalFeatures.diagnostics' setting.",
           "scope": "resource"
         },
         "go.vetFlags": {
@@ -1654,6 +1654,21 @@
           "default": [],
           "description": "Flags like -rpc.trace and -logfile to be used while running the language server."
         },
+        "go.languageServerExperimentalFeatures": {
+          "type": "object",
+          "properties": {
+            "diagnostics": {
+              "type": "boolean",
+              "default": true,
+              "description": "If true, the language server will provide build, vet errors and the extension will ignore the `buildOnSave`, `vetOnSave` settings."
+            }
+          },
+          "additionalProperties": false,
+          "default": {
+            "diagnostics": true
+          },
+          "markdownDescription": "Temporary flag to enable/disable diagnostics from the language server. This setting will be deprecated soon. Please see and response to [Issue 50](https://github.com/golang/vscode-go/issues/50)."
+        },
         "go.trace.server": {
           "type": "string",
           "enum": [
diff --git a/src/goCheck.ts b/src/goCheck.ts
index 3ac8557..327a5f8 100644
--- a/src/goCheck.ts
+++ b/src/goCheck.ts
@@ -60,7 +60,7 @@
 	// If a user has enabled diagnostics via a language server,
 	// then we disable running build or vet to avoid duplicate errors and warnings.
 	const lspConfig = buildLanguageServerConfig(goConfig);
-	const disableBuildAndVet = lspConfig.enabled;
+	const disableBuildAndVet = lspConfig.enabled && lspConfig.features.diagnostics;
 
 	let testPromise: Thenable<boolean>;
 	const testConfig: TestConfig = {
diff --git a/src/goLanguageServer.ts b/src/goLanguageServer.ts
index 1282f20..2351925 100644
--- a/src/goLanguageServer.ts
+++ b/src/goLanguageServer.ts
@@ -27,6 +27,7 @@
 	Message,
 	ProvideCodeLensesSignature,
 	ProvideCompletionItemsSignature,
+	ProvideDocumentLinksSignature,
 	ResponseError,
 	RevealOutputChannelOn
 } from 'vscode-languageclient';
@@ -74,6 +75,9 @@
 	enabled: boolean;
 	flags: string[];
 	env: any;
+	features: {
+		diagnostics: boolean;
+	};
 	checkForUpdates: string;
 }
 
@@ -105,6 +109,7 @@
 // startLanguageServerWithFallback starts the language server, if enabled,
 // or falls back to the default language providers.
 export async function startLanguageServerWithFallback(ctx: vscode.ExtensionContext, activation: boolean) {
+
 	for (const folder of vscode.workspace.workspaceFolders || []) {
 		if (folder.uri.scheme === 'vsls') {
 			outputChannel.appendLine(`Language service on the guest side is disabled. ` +
@@ -400,10 +405,14 @@
 					diagnostics: vscode.Diagnostic[],
 					next: HandleDiagnosticsSignature
 				) => {
+					if (!cfg.features.diagnostics) {
+						return null;
+					}
 					// Deduplicate diagnostics with those found by the other tools.
 					removeDuplicateDiagnostics(vetDiagnosticCollection, uri, diagnostics);
 					removeDuplicateDiagnostics(buildDiagnosticCollection, uri, diagnostics);
 					removeDuplicateDiagnostics(lintDiagnosticCollection, uri, diagnostics);
+
 					return next(uri, diagnostics);
 				},
 				provideCompletionItem: async (
@@ -716,6 +725,11 @@
 		modtime: null,
 		enabled: goConfig['useLanguageServer'] === true,
 		flags: goConfig['languageServerFlags'] || [],
+		features: {
+			// TODO: We should have configs that match these names.
+			// Ultimately, we should have a centralized language server config rather than separate fields.
+			diagnostics: goConfig['languageServerExperimentalFeatures']['diagnostics'],
+		},
 		env: toolExecutionEnvironment(),
 		checkForUpdates: getCheckForToolsUpdatesConfig(goConfig),
 	};
diff --git a/src/goMain.ts b/src/goMain.ts
index 4c0d474..940d2d1 100644
--- a/src/goMain.ts
+++ b/src/goMain.ts
@@ -126,19 +126,27 @@
 	// Present a warning about the deprecation of the go.documentLink setting.
 	const experimentalFeatures = getGoConfig()['languageServerExperimentalFeatures'];
 	if (experimentalFeatures) {
-		// TODO(rstambler): Eventually notify about deprecation of all of the settings.
+		// TODO(golang/vscode-go#50): Eventually notify about deprecation of
+		// all of the settings. See golang/vscode-go#1109 too.
+		// The `diagnostics` setting is still used as a workaround for running custom vet.
 		if (experimentalFeatures['documentLink'] === false) {
 			vscode.window.showErrorMessage(`The 'go.languageServerExperimentalFeature.documentLink' setting is now deprecated.
-	Please use 'gopls.importShortcut' instead.
-	See https://github.com/golang/tools/blob/master/gopls/doc/settings.md#importshortcut-enum for more details.`);
+Please use 'gopls.importShortcut' instead.
+See https://github.com/golang/tools/blob/master/gopls/doc/settings.md#importshortcut-enum for more details.`);
 		}
-		if (experimentalFeatures['diagnostics'] === false) {
-			vscode.window.showErrorMessage(`The 'go.languageServerExperimentalFeature.diagnostics' setting is now deprecated.
+		const promptKey = 'promptedLanguageServerExperimentalFeatureDeprecation';
+		const prompted = getFromGlobalState(promptKey, false);
+		if (!prompted && experimentalFeatures['diagnostics'] === false) {
+			const msg = `The 'go.languageServerExperimentalFeature.diagnostics' setting will be deprecated soon.
 If you would like additional configuration for diagnostics from gopls, please see and response to
-https://github.com/golang/vscode-go/issues/50.`);
+https://github.com/golang/vscode-go/issues/50.`;
+			const selected = await vscode.window.showInformationMessage(msg, `Don't show again`);
+			switch (selected) {
+			case `Don't show again`:
+				updateGlobalState(promptKey, true);
+			}
 		}
 	}
-
 	updateGoVarsFromConfig().then(async () => {
 		suggestUpdates(ctx);
 		offerToInstallLatestGoVersion();
diff --git a/test/gopls/update.test.ts b/test/gopls/update.test.ts
index ecefa75..d279fdb 100644
--- a/test/gopls/update.test.ts
+++ b/test/gopls/update.test.ts
@@ -175,6 +175,9 @@
 				version: '',
 				checkForUpdates: 'proxy',
 				env: {},
+				features: {
+					diagnostics: true,
+				},
 				flags: [],
 				modtime: new Date(),
 				serverName: 'gopls',