diff --git a/.clang-format b/.clang-format
deleted file mode 100644
index 33bf2a3b9281d451534546b00383fc778241400c..0000000000000000000000000000000000000000
--- a/.clang-format
+++ /dev/null
@@ -1,137 +0,0 @@
----
-Language:        Cpp
-# BasedOnStyle:  LLVM
-AccessModifierOffset: -2
-AlignAfterOpenBracket: Align
-AlignConsecutiveMacros: false
-AlignConsecutiveAssignments: false
-AlignConsecutiveDeclarations: false
-AlignEscapedNewlines: Right
-AlignOperands:   true
-AlignTrailingComments: true
-AllowAllArgumentsOnNextLine: true
-AllowAllConstructorInitializersOnNextLine: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: Never
-AllowShortCaseLabelsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: All
-AllowShortLambdasOnASingleLine: All
-AllowShortIfStatementsOnASingleLine: Never
-AllowShortLoopsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: None
-AlwaysBreakAfterReturnType: None
-AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: MultiLine
-BinPackArguments: true
-BinPackParameters: true
-BraceWrapping:
-  AfterCaseLabel:  false
-  AfterClass:      false
-  AfterControlStatement: false
-  AfterEnum:       false
-  AfterFunction:   false
-  AfterNamespace:  false
-  AfterObjCDeclaration: false
-  AfterStruct:     false
-  AfterUnion:      false
-  AfterExternBlock: false
-  BeforeCatch:     false
-  BeforeElse:      false
-  IndentBraces:    false
-  SplitEmptyFunction: true
-  SplitEmptyRecord: true
-  SplitEmptyNamespace: true
-BreakBeforeBinaryOperators: None
-BreakBeforeBraces: Attach
-BreakBeforeInheritanceComma: false
-BreakInheritanceList: BeforeColon
-BreakBeforeTernaryOperators: true
-BreakConstructorInitializersBeforeComma: false
-BreakConstructorInitializers: BeforeColon
-BreakAfterJavaFieldAnnotations: false
-BreakStringLiterals: true
-ColumnLimit:     80
-CommentPragmas:  '^ IWYU pragma:'
-CompactNamespaces: false
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-ConstructorInitializerIndentWidth: 4
-ContinuationIndentWidth: 4
-Cpp11BracedListStyle: true
-DeriveLineEnding: true
-DerivePointerAlignment: false
-DisableFormat:   false
-ExperimentalAutoDetectBinPacking: false
-FixNamespaceComments: true
-ForEachMacros:
-  - foreach
-  - Q_FOREACH
-  - BOOST_FOREACH
-IncludeBlocks:   Preserve
-IncludeCategories:
-  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
-    Priority:        2
-    SortPriority:    0
-  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
-    Priority:        3
-    SortPriority:    0
-  - Regex:           '.*'
-    Priority:        1
-    SortPriority:    0
-IncludeIsMainRegex: '(Test)?$'
-IncludeIsMainSourceRegex: ''
-IndentCaseLabels: false
-IndentGotoLabels: true
-IndentPPDirectives: None
-IndentWidth:     2
-IndentWrappedFunctionNames: false
-JavaScriptQuotes: Leave
-JavaScriptWrapImports: true
-KeepEmptyLinesAtTheStartOfBlocks: true
-MacroBlockBegin: ''
-MacroBlockEnd:   ''
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-ObjCBinPackProtocolList: Auto
-ObjCBlockIndentWidth: 2
-ObjCSpaceAfterProperty: false
-ObjCSpaceBeforeProtocolList: true
-PenaltyBreakAssignment: 2
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 300
-PenaltyBreakFirstLessLess: 120
-PenaltyBreakString: 1000
-PenaltyBreakTemplateDeclaration: 10
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerAlignment: Right
-ReflowComments:  true
-SortIncludes:    true
-SortUsingDeclarations: true
-SpaceAfterCStyleCast: false
-SpaceAfterLogicalNot: false
-SpaceAfterTemplateKeyword: true
-SpaceBeforeAssignmentOperators: true
-SpaceBeforeCpp11BracedList: false
-SpaceBeforeCtorInitializerColon: true
-SpaceBeforeInheritanceColon: true
-SpaceBeforeParens: ControlStatements
-SpaceBeforeRangeBasedForLoopColon: true
-SpaceInEmptyBlock: false
-SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 1
-SpacesInAngles:  false
-SpacesInConditionalStatement: false
-SpacesInContainerLiterals: true
-SpacesInCStyleCastParentheses: false
-SpacesInParentheses: false
-SpacesInSquareBrackets: false
-SpaceBeforeSquareBrackets: false
-Standard:        Latest
-StatementMacros:
-  - Q_UNUSED
-  - QT_REQUIRE_VERSION
-TabWidth:        8
-UseCRLF:         false
-UseTab:          Never
-...
-
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 953f6ae254ed11e63a1c949ed2b46ed3d1183591..260872909c609ab96aaf14d3ea460493d6e4d484 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,23 +27,3 @@ list(APPEND CMAKE_MODULE_PATH "${catch2_dir}/contrib/")
 
 include(CTest)
 include(Catch)
-
-
-find_program(CLANG_FMT NAMES clang-format-9 clang-format-8 clang-format-7 clang-format)
-
-if(CLANG_FMT)
-  get_target_property(_csg_srcs csg SOURCES)
-  file(GLOB _csg_incs ${CMAKE_CURRENT_SOURCE_DIR}/*.hpp ${CMAKE_CURRENT_SOURCE_DIR}/impl/*.hpp)
-
-  add_custom_target(fmt_csg
-    COMMAND ${CLANG_FMT} -i ${_csg_srcs} ${_csg_incs}
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
-    )
-  add_custom_target(fmt_test
-    COMMAND ${CLANG_FMT} -i ${_ut_srcs} ${_ft_srcs}
-    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/tests
-    )
-
-  add_custom_target(fmt)
-  add_dependencies(fmt fmt_test fmt_csg)
-endif()