diff --git a/tests/common/mac/ProjectTestHelpers.cs b/tests/common/mac/ProjectTestHelpers.cs
index 09c3dcd098..09a097f7b3 100644
--- a/tests/common/mac/ProjectTestHelpers.cs
+++ b/tests/common/mac/ProjectTestHelpers.cs
@@ -224,12 +224,12 @@ namespace Xamarin.MMP.Tests
 		}
 
 		// In most cases we generate projects in tmp and this is not needed. But nuget and test projects can make that hard
-		public static void CleanUnifiedProject (string csprojTarget, bool useMSBuild = false)
+		public static void CleanUnifiedProject (string csprojTarget)
 		{
-			RunAndAssert ("/Library/Frameworks/Mono.framework/Commands/" + (useMSBuild ? "msbuild" : "msbuild"), new StringBuilder (csprojTarget + " /t:clean"), "Clean");
+			RunAndAssert ("/Library/Frameworks/Mono.framework/Commands/msbuild", new StringBuilder (csprojTarget + " /t:clean"), "Clean");
 		}
 
-		public static string BuildProject (string csprojTarget, bool isUnified, bool diagnosticMSBuild = false, bool shouldFail = false, bool useMSBuild = false, bool release = false, string[] environment = null)
+		public static string BuildProject (string csprojTarget, bool isUnified, bool diagnosticMSBuild = false, bool shouldFail = false, bool release = false, string[] environment = null)
 		{
 			string rootDirectory = FindRootDirectory ();
 
@@ -375,10 +375,10 @@ namespace Xamarin.MMP.Tests
 			return GenerateEXEProject (config);
 		}
 
-		public static string GenerateAndBuildUnifiedExecutable (UnifiedTestConfig config, bool shouldFail = false, bool useMSBuild = false, string[] environment = null)
+		public static string GenerateAndBuildUnifiedExecutable (UnifiedTestConfig config, bool shouldFail = false, string[] environment = null)
 		{
 			string csprojTarget = GenerateUnifiedExecutableProject (config);
-			return BuildProject (csprojTarget, isUnified: true, diagnosticMSBuild: config.DiagnosticMSBuild, shouldFail: shouldFail, useMSBuild: useMSBuild, release: config.Release, environment: environment);
+			return BuildProject (csprojTarget, isUnified: true, diagnosticMSBuild: config.DiagnosticMSBuild, shouldFail: shouldFail, release: config.Release, environment: environment);
 		}
 
 		public static string RunGeneratedUnifiedExecutable (UnifiedTestConfig config)
@@ -388,7 +388,7 @@ namespace Xamarin.MMP.Tests
 			return RunEXEAndVerifyGUID (config.TmpDir, config.guid, exePath);
 		}
 
-		public static OutputText TestUnifiedExecutable (UnifiedTestConfig config, bool shouldFail = false, bool useMSBuild = false, string[] environment = null)
+		public static OutputText TestUnifiedExecutable (UnifiedTestConfig config, bool shouldFail = false, string[] environment = null)
 		{
 			// If we've already generated guid bits for this config, don't tack on a second copy
 			if (config.guid == Guid.Empty)
@@ -397,7 +397,7 @@ namespace Xamarin.MMP.Tests
 				config.TestCode += GenerateOutputCommand (config.TmpDir, config.guid);
 			}
 
-			string buildOutput = GenerateAndBuildUnifiedExecutable (config, shouldFail, useMSBuild, environment);
+			string buildOutput = GenerateAndBuildUnifiedExecutable (config, shouldFail, environment);
 			if (shouldFail)
 				return new OutputText (buildOutput, "");
 
diff --git a/tests/mmptest/src/MMPTest.cs b/tests/mmptest/src/MMPTest.cs
index 9c52c7341d..91e2b26728 100644
--- a/tests/mmptest/src/MMPTest.cs
+++ b/tests/mmptest/src/MMPTest.cs
@@ -357,7 +357,7 @@ namespace Xamarin.MMP.Tests
 					// If we fail, we'll likley fail with "did not generate an exe" before returning but let's check anyway
 					string secondBuildOutput = TI.BuildProject (Path.Combine (tmpDir, TI.GetUnifiedExecutableProjectName (test)), true, diagnosticMSBuild: true);
 					Assert.IsTrue (!secondBuildOutput.Contains ("Skipping target \"_CompileToNative"), "Did not skip");
-					Assert.IsTrue (secondBuildOutput.Contains ("CompileToNative needs to be built as output file"), "Did need to build");
+					Assert.IsTrue (secondBuildOutput.Contains ("Building target \"_CompileToNative\" completely"), "Did need to build");
 				}
 			});
 		}	
diff --git a/tests/mmptest/src/NetStandardTests.cs b/tests/mmptest/src/NetStandardTests.cs
index 70d07c6f34..fa972b9539 100644
--- a/tests/mmptest/src/NetStandardTests.cs
+++ b/tests/mmptest/src/NetStandardTests.cs
@@ -31,7 +31,7 @@ namespace Xamarin.MMP.Tests {
 
 			string netStandardProject = TI.GenerateNetStandardProject (config);
 			TI.RunAndAssert("/usr/local/share/dotnet/dotnet", $"restore {netStandardProject}", "Restore");
-			TI.BuildProject(netStandardProject, true, useMSBuild: true);
+			TI.BuildProject(netStandardProject, true);
 
 			config.ItemGroup = $@"
 <ItemGroup>
@@ -49,7 +49,7 @@ namespace Xamarin.MMP.Tests {
 			config.CSProjConfig = "<MonoBundlingExtraArgs>--registrar=dynamic</MonoBundlingExtraArgs>";
 			config.XM45 = full;
 
-			TI.TestUnifiedExecutable(config, useMSBuild: true);
+			TI.TestUnifiedExecutable(config);
 		}
 	}
 }
diff --git a/tests/msbuild-mac/src/RoslynSmokeTests.cs b/tests/msbuild-mac/src/RoslynSmokeTests.cs
index 71f5e7d937..6b81270313 100644
--- a/tests/msbuild-mac/src/RoslynSmokeTests.cs
+++ b/tests/msbuild-mac/src/RoslynSmokeTests.cs
@@ -26,7 +26,7 @@ namespace Xamarin.MMP.Tests
 
 			TI.CleanUnifiedProject (projectPath);
 			RestoreRoslynNuget ("Modern");
-			TI.BuildProject (projectPath, true, useMSBuild: true);
+			TI.BuildProject (projectPath, true);
 			TI.RunAndAssert (Path.Combine (RoslynTestProjectRoot, "Modern/bin/Debug/RoslynTestApp.app/Contents/MacOS/RoslynTestApp"), new StringBuilder (), "Run");
 		}
 
@@ -37,7 +37,7 @@ namespace Xamarin.MMP.Tests
 
 			TI.CleanUnifiedProject (projectPath);
 			RestoreRoslynNuget ("Full");
-			TI.BuildProject (projectPath, true, useMSBuild: true);
+			TI.BuildProject (projectPath, true);
 			TI.RunAndAssert (Path.Combine (RoslynTestProjectRoot, "Full/bin/Debug/RoslynTestApp.app/Contents/MacOS/RoslynTestApp"), new StringBuilder (), "Run");
 		}
 	}
diff --git a/tests/msbuild-mac/src/RuntimeTests.cs b/tests/msbuild-mac/src/RuntimeTests.cs
index 8f09dfd61d..f0a1a370c9 100644
--- a/tests/msbuild-mac/src/RuntimeTests.cs
+++ b/tests/msbuild-mac/src/RuntimeTests.cs
@@ -18,7 +18,7 @@ namespace Xamarin.MMP.Tests
 			var projectPath = Path.Combine (TestProjectRoot, projectName, $"{projectName}.csproj");
 
 			TI.CleanUnifiedProject (projectPath);
-			TI.BuildProject (projectPath, true, useMSBuild: false);
+			TI.BuildProject (projectPath, true);
 			TI.RunAndAssert (Path.Combine (Path.GetDirectoryName (projectPath), $"bin/Debug/{projectName}.app/Contents/MacOS/{projectName}"), new StringBuilder (), "Run");
 		}
 	}