diff --git a/editors/code/package.json b/editors/code/package.json
index 34dbea0b2e67..ec325ad3f58c 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -443,11 +443,6 @@
                     "type": "object",
                     "default": {},
                     "description": "Optional settings passed to the debug engine. Example:\n{ \"lldb\": { \"terminal\":\"external\"} }"
-                },
-                "rust-analyzer.debug.useLaunchJson": {
-                    "description": "Whether to use existing configurations from launch.json.",
-                    "type": "boolean",
-                    "default": false
                 }
             }
         },
diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index 24002483d441..1652827c32a5 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -116,8 +116,7 @@ export class Config {
             engine: this.get<string>("debug.engine"),
             engineSettings: this.get<object>("debug.engineSettings"),
             openUpDebugPane: this.get<boolean>("debug.openUpDebugPane"),
-            sourceFileMap: sourceFileMap,
-            useLaunchJson: this.get<object>("debug.useLaunchJson"),
+            sourceFileMap: sourceFileMap
         };
     }
 }
diff --git a/editors/code/src/debug.ts b/editors/code/src/debug.ts
index bbf3ff312047..b500fe029a51 100644
--- a/editors/code/src/debug.ts
+++ b/editors/code/src/debug.ts
@@ -98,18 +98,15 @@ export async function startDebugSession(ctx: Ctx, config: ra.Runnable): Promise<
     let debugConfig: vscode.DebugConfiguration | undefined = undefined;
     let message = "";
 
-    if (ctx.config.debug.useLaunchJson) {
-        const wsLaunchSection = vscode.workspace.getConfiguration("launch");
-        const configurations = wsLaunchSection.get<any[]>("configurations") || [];
+    const wsLaunchSection = vscode.workspace.getConfiguration("launch");
+    const configurations = wsLaunchSection.get<any[]>("configurations") || [];
 
-        const index = configurations.findIndex(c => c.name === config.label);
-        if (-1 !== index) {
-            debugConfig = configurations[index];
-            message = " (from launch.json)";
-            debugOutput.clear();
-        }
-    }
-    if (!debugConfig) {
+    const index = configurations.findIndex(c => c.name === config.label);
+    if (-1 !== index) {
+        debugConfig = configurations[index];
+        message = " (from launch.json)";
+        debugOutput.clear();
+    } else {
         debugConfig = await getDebugConfiguration(ctx, config);
     }