diff --git a/src/harness/unittests/typingsInstaller.ts b/src/harness/unittests/typingsInstaller.ts
index 0a27f860352..5bf968064f6 100644
--- a/src/harness/unittests/typingsInstaller.ts
+++ b/src/harness/unittests/typingsInstaller.ts
@@ -188,7 +188,7 @@ namespace ts.projectSystem {
             checkProjectActualFiles(p, [file1.path]);
 
             installer.installAll(/*expectedCount*/ 1);
-
+            host.checkTimeoutQueueLengthAndRun(2);
             checkNumberOfProjects(projectService, { inferredProjects: 1 });
             checkProjectActualFiles(p, [file1.path, jquery.path]);
         });
@@ -961,6 +961,7 @@ namespace ts.projectSystem {
             assert.isTrue(host.fileExists(node.path), "typings for 'node' should be created");
             assert.isTrue(host.fileExists(commander.path), "typings for 'commander' should be created");
 
+            host.checkTimeoutQueueLengthAndRun(2);
             checkProjectActualFiles(service.inferredProjects[0], [file.path, node.path, commander.path]);
         });
 
@@ -1106,7 +1107,7 @@ namespace ts.projectSystem {
             checkProjectActualFiles(p, [file1.path]);
 
             installer.installAll(/*expectedCount*/ 1);
-
+            host.checkTimeoutQueueLengthAndRun(2);
             checkNumberOfProjects(projectService, { inferredProjects: 1 });
             checkProjectActualFiles(p, [file1.path, jquery.path]);
         });
diff --git a/src/server/editorServices.ts b/src/server/editorServices.ts
index 09c5e784ba8..3fe7100f052 100644
--- a/src/server/editorServices.ts
+++ b/src/server/editorServices.ts
@@ -642,7 +642,6 @@ namespace ts.server {
                 return undefined;
             }
             if (isInferredProjectName(projectName)) {
-                this.ensureProjectStructuresUptoDate();
                 return findProjectByName(projectName, this.inferredProjects);
             }
             return this.findExternalProjectByProjectName(projectName) || this.findConfiguredProjectByProjectName(toNormalizedPath(projectName));