diff --git a/.clang-format b/.clang-format
deleted file mode 100644
index a2677988ad3..00000000000
--- a/.clang-format
+++ /dev/null
@@ -1,50 +0,0 @@
----
-# See https://clang.llvm.org/docs/ClangFormatStyleOptions.html
-BasedOnStyle: LLVM
-IndentWidth: 4
----
-Language: Cpp
-AccessModifierOffset: -4
-AlignAfterOpenBracket: AlwaysBreak
-AllowAllArgumentsOnNextLine: false
-AllowAllParametersOfDeclarationOnNextLine: false
-AllowAllConstructorInitializersOnNextLine: false
-AllowShortIfStatementsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: TopLevel
-BinPackParameters: false
-BreakBeforeBraces: Allman
-ColumnLimit: 120
-DerivePointerAlignment: false
-FixNamespaceComments: false
-IndentCaseLabels: true
-IndentPPDirectives: AfterHash
-NamespaceIndentation: All
-PackConstructorInitializers: CurrentLine
-PointerAlignment: Left
-SortIncludes: Never
-SpaceAfterTemplateKeyword: false
-TabWidth: 4
-UseTab: Never
----
-Language: ObjC
-AccessModifierOffset: -4
-AlignAfterOpenBracket: AlwaysBreak
-AllowAllArgumentsOnNextLine: false
-AllowAllParametersOfDeclarationOnNextLine: false
-AllowAllConstructorInitializersOnNextLine: false
-AllowShortIfStatementsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: TopLevel
-BinPackParameters: false
-BreakBeforeBraces: Allman
-ColumnLimit: 120
-DerivePointerAlignment: false
-FixNamespaceComments: false
-IndentCaseLabels: true
-IndentPPDirectives: AfterHash
-NamespaceIndentation: All
-PackConstructorInitializers: CurrentLine
-PointerAlignment: Left
-SortIncludes: Never
-SpaceAfterTemplateKeyword: false
-TabWidth: 4
-UseTab: Never
diff --git a/cpp/src/Ice/WSTransceiver.cpp b/cpp/src/Ice/WSTransceiver.cpp
index 64664c25c92..fb16a3e9d5d 100644
--- a/cpp/src/Ice/WSTransceiver.cpp
+++ b/cpp/src/Ice/WSTransceiver.cpp
@@ -15,6 +15,7 @@
 #include <IceUtil/Random.h>
 #include <Ice/SHA1.h>
 #include <IceUtil/StringUtil.h>
+#include "Endian.h"
 
 #include <stdint.h>
 #include <climits>
diff --git a/swift/Rakefile b/swift/Rakefile
index 684bdbec9e3..99eb9c19091 100644
--- a/swift/Rakefile
+++ b/swift/Rakefile
@@ -113,6 +113,8 @@ def create_project(name, bindist)
         config.build_settings["CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER"] = "YES"
         # Disable header maps as they cause problems with parallel builds on Xcode 12
         config.build_settings["USE_HEADERMAP"] = "NO"
+        # The big-endian code is unreachable
+        config.build_settings["CLANG_WARN_UNREACHABLE_CODE"] = "NO"
     end
 
     [:osx, :ios].each do |platform|