diff --git a/perf/.editorconfig b/perf/.editorconfig
new file mode 100644
index 0000000000..8fc105f852
--- /dev/null
+++ b/perf/.editorconfig
@@ -0,0 +1,4 @@
+# Code files
+[*.{cs,csx,vb,vbx}]
+# CA1822: Make member static
+dotnet_diagnostic.CA1822.severity = none
\ No newline at end of file
diff --git a/src/Analyzers/AnalyzerReferenceInformationProvider.cs b/src/Analyzers/AnalyzerReferenceInformationProvider.cs
index 476e13c4ff..6b688878b4 100644
--- a/src/Analyzers/AnalyzerReferenceInformationProvider.cs
+++ b/src/Analyzers/AnalyzerReferenceInformationProvider.cs
@@ -38,7 +38,7 @@ private AnalyzersAndFixers GetAnalyzersAndFixers(Project project)
             return AnalyzerFinderHelpers.LoadAnalyzersAndFixers(analyzerAssemblies);
         }
 
-        private Assembly? TryLoadAssemblyFrom(string? path)
+        private static Assembly? TryLoadAssemblyFrom(string? path)
         {
             // Since we are not deploying these assemblies we need to ensure the files exist.
             if (path is null || !File.Exists(path))
@@ -77,7 +77,13 @@ internal sealed class AnalyzerLoadContext : AssemblyLoadContext
 
             public AnalyzerLoadContext(string assemblyPath)
             {
-                var analyzerDirectory = new DirectoryInfo(Path.GetDirectoryName(assemblyPath));
+                var assemblyDirectory = Path.GetDirectoryName(assemblyPath);
+                if (assemblyDirectory is null)
+                {
+                    throw new InvalidOperationException($"Assembly path invalid '{assemblyPath}'");
+                }
+
+                var analyzerDirectory = new DirectoryInfo(assemblyDirectory);
 
                 // Analyzer packages will put language specific assemblies in subfolders.
                 if (analyzerDirectory.Name == "cs" || analyzerDirectory.Name == "vb")
@@ -86,6 +92,11 @@ public AnalyzerLoadContext(string assemblyPath)
                     analyzerDirectory = analyzerDirectory.Parent;
                 }
 
+                if (analyzerDirectory is null)
+                {
+                    throw new InvalidOperationException($"Could not get parent directory for '{assemblyPath}'");
+                }
+
                 AssemblyFolderPath = analyzerDirectory.FullName;
                 DependencyResolver = new AssemblyDependencyResolver(assemblyPath);
             }
diff --git a/src/Logging/SimpleConsoleLogger.cs b/src/Logging/SimpleConsoleLogger.cs
index 79c87c2e46..c361f84a04 100644
--- a/src/Logging/SimpleConsoleLogger.cs
+++ b/src/Logging/SimpleConsoleLogger.cs
@@ -79,7 +79,7 @@ private void LogToTerminal(string message, LogLevel logLevel, bool logToErrorStr
             _terminal.ResetColor();
         }
 
-        private void LogToConsole(IConsole console, string message, bool logToErrorStream)
+        private static void LogToConsole(IConsole console, string message, bool logToErrorStream)
         {
             if (logToErrorStream)
             {
diff --git a/tests/.editorconfig b/tests/.editorconfig
new file mode 100644
index 0000000000..6f3d1d667a
--- /dev/null
+++ b/tests/.editorconfig
@@ -0,0 +1,4 @@
+# Code files
+[*.{cs,csx,vb,vbx}]
+# CA1822: Make member static
+dotnet_diagnostic.CA1822.severity = silent
\ No newline at end of file
diff --git a/tests/ProgramTests.cs b/tests/ProgramTests.cs
index 8183f82e7b..3ab3814178 100644
--- a/tests/ProgramTests.cs
+++ b/tests/ProgramTests.cs
@@ -182,80 +182,6 @@ public void CommandLine_AnalyzerOptions_CanSpecifyBothWithDefaults()
             Assert.Equal(0, result.Errors.Count);
         }
 
-        [Fact]
-        // If this test fails that means FormatCommand options have changed, ensure the FormatCommand.Handler has been updated to match.
-        public async Task CommandLine_AllArguments_Bind()
-        {
-            // Arrange
-            var uniqueExitCode = 143;
-
-            var sut = RootFormatCommand.GetCommand();
-
-            Task<int> TestRun(
-                string workspace,
-                bool noRestore,
-                bool folder,
-                bool fixWhitespace,
-                string fixStyle,
-                string fixAnalyzers,
-                string[] diagnostics,
-                string verbosity,
-                bool check,
-                string[] include,
-                string[] exclude,
-                string report,
-                bool includeGenerated,
-                string binaryLogPath,
-                IConsole console = null)
-            {
-                Assert.Equal("./src", workspace);
-                Assert.True(noRestore);
-                Assert.False(folder);
-                Assert.True(fixWhitespace);
-                Assert.Equal("warn", fixStyle);
-                Assert.Equal("info", fixAnalyzers);
-                Assert.Equal(new[] { "IDE0005", "IDE0073" }, diagnostics);
-                Assert.Equal("diag", verbosity);
-                Assert.True(check);
-                Assert.Equal(new[] { "*.cs" }, include);
-                Assert.Equal(new[] { "*.vb" }, exclude);
-                Assert.Equal("report.json", report);
-                Assert.True(includeGenerated);
-
-                return Task.FromResult(uniqueExitCode);
-            }
-
-            var args = @"
-./src
---no-restore
---fix-whitespace
---fix-style
-warn
---fix-analyzers
-info
---diagnostics
-IDE0005
-IDE0073
---verbosity
-diag
---check
---include
-*.cs
---exclude
-*.vb
---report
-report.json
---include-generated".Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries);
-
-            // Act
-            var parseResult = sut.Parse(args);
-            var result = await sut.InvokeAsync(args);
-
-            // Assert
-            Assert.Equal(0, parseResult.Errors.Count);
-            Assert.Equal(uniqueExitCode, result);
-        }
-
         [Fact]
         public void CommandLine_BinaryLog_DoesNotFailIfPathNotSpecified()
         {