diff --git a/Sources/ProjectSpec/Scheme.swift b/Sources/ProjectSpec/Scheme.swift
index 4584975f..f9a02539 100644
--- a/Sources/ProjectSpec/Scheme.swift
+++ b/Sources/ProjectSpec/Scheme.swift
@@ -198,7 +198,6 @@ public struct Scheme: Equatable {
             coverageTargets: [TargetReference] = [],
             disableMainThreadChecker: Bool = disableMainThreadCheckerDefault,
             randomExecutionOrder: Bool = false,
-            parallelizable: Bool = false,
             commandLineArguments: [String: Bool] = [:],
             targets: [TestTarget] = [],
             preActions: [ExecutionAction] = [],
diff --git a/Tests/ProjectSpecTests/ProjectSpecTests.swift b/Tests/ProjectSpecTests/ProjectSpecTests.swift
index fe1d015a..397c0f4c 100644
--- a/Tests/ProjectSpecTests/ProjectSpecTests.swift
+++ b/Tests/ProjectSpecTests/ProjectSpecTests.swift
@@ -510,7 +510,6 @@ class ProjectSpecTests: XCTestCase {
                                                                       gatherCoverageData: true,
                                                                       disableMainThreadChecker: true,
                                                                       randomExecutionOrder: false,
-                                                                      parallelizable: false,
                                                                       commandLineArguments: ["foo": true],
                                                                       targets: [Scheme.Test.TestTarget(targetReference: "foo",
                                                                                                        randomExecutionOrder: false,