diff --git a/GeneratorInterface/LHEInterface/src/HighFive/.clang-format b/GeneratorInterface/LHEInterface/src/HighFive/.clang-format
deleted file mode 100644
index 10dd3cb83cc59..0000000000000
--- a/GeneratorInterface/LHEInterface/src/HighFive/.clang-format
+++ /dev/null
@@ -1,96 +0,0 @@
----
-Language:        Cpp
-# BasedOnStyle:  LLVM
-AccessModifierOffset: -2
-AlignAfterOpenBracket: Align
-AlignConsecutiveAssignments: false
-AlignConsecutiveDeclarations: false
-AlignEscapedNewlinesLeft: false
-AlignOperands:   true
-AlignTrailingComments: true
-AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: false
-AllowShortCaseLabelsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: All
-AllowShortIfStatementsOnASingleLine: false
-AllowShortLoopsOnASingleLine: false
-AlwaysBreakAfterDefinitionReturnType: None
-AlwaysBreakAfterReturnType: None
-AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: true
-BinPackArguments: true
-BinPackParameters: true
-BraceWrapping:
-  AfterClass:      false
-  AfterControlStatement: false
-  AfterEnum:       false
-  AfterFunction:   false
-  AfterNamespace:  false
-  AfterObjCDeclaration: false
-  AfterStruct:     false
-  AfterUnion:      false
-  BeforeCatch:     false
-  BeforeElse:      false
-  IndentBraces:    false
-BreakBeforeBinaryOperators: None
-BreakBeforeBraces: Attach
-BreakBeforeTernaryOperators: true
-BreakConstructorInitializersBeforeComma: false
-BreakAfterJavaFieldAnnotations: false
-BreakStringLiterals: true
-ColumnLimit:     80
-CommentPragmas:  '^ IWYU pragma:'
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
-ConstructorInitializerIndentWidth: 4
-ContinuationIndentWidth: 4
-Cpp11BracedListStyle: true
-DerivePointerAlignment: false
-DisableFormat:   false
-ExperimentalAutoDetectBinPacking: false
-ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
-IncludeCategories:
-  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
-    Priority:        2
-  - Regex:           '^(<|"(gtest|isl|json)/)'
-    Priority:        3
-  - Regex:           '.*'
-    Priority:        1
-IncludeIsMainRegex: '$'
-IndentCaseLabels: false
-IndentWidth:     4
-IndentWrappedFunctionNames: false
-JavaScriptQuotes: Leave
-JavaScriptWrapImports: true
-KeepEmptyLinesAtTheStartOfBlocks: true
-MacroBlockBegin: ''
-MacroBlockEnd:   ''
-MaxEmptyLinesToKeep: 1
-NamespaceIndentation: None
-ObjCBlockIndentWidth: 2
-ObjCSpaceAfterProperty: false
-ObjCSpaceBeforeProtocolList: true
-PenaltyBreakBeforeFirstCallParameter: 19
-PenaltyBreakComment: 300
-PenaltyBreakFirstLessLess: 120
-PenaltyBreakString: 1000
-PenaltyExcessCharacter: 1000000
-PenaltyReturnTypeOnItsOwnLine: 60
-PointerAlignment: Left
-ReflowComments:  true
-SortIncludes:    true
-SpaceAfterCStyleCast: false
-SpaceBeforeAssignmentOperators: true
-SpaceBeforeParens: ControlStatements
-SpaceInEmptyParentheses: false
-SpacesBeforeTrailingComments: 1
-SpacesInAngles:  false
-SpacesInContainerLiterals: true
-SpacesInCStyleCastParentheses: false
-SpacesInParentheses: false
-SpacesInSquareBrackets: false
-Standard:        Cpp11
-TabWidth:        8
-UseTab:          Never
-# FixNamespaceComments true
-...
-
diff --git a/GeneratorInterface/LHEInterface/src/HighFive/.gitignore b/GeneratorInterface/LHEInterface/src/HighFive/.gitignore
deleted file mode 100644
index 84610780c02a9..0000000000000
--- a/GeneratorInterface/LHEInterface/src/HighFive/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-build
-.idea
diff --git a/GeneratorInterface/LHEInterface/src/HighFive/.gitmodules b/GeneratorInterface/LHEInterface/src/HighFive/.gitmodules
deleted file mode 100644
index 99f54ddadeee7..0000000000000
--- a/GeneratorInterface/LHEInterface/src/HighFive/.gitmodules
+++ /dev/null
@@ -1,4 +0,0 @@
-[submodule "deps/git-cmake-format"]
-	path = deps/git-cmake-format
-	url = https://github.com/tristan0x/git-cmake-format.git
-	branch = bbp
diff --git a/GeneratorInterface/LHEInterface/src/HighFive/.travis.yml b/GeneratorInterface/LHEInterface/src/HighFive/.travis.yml
deleted file mode 100644
index 34766d948c9e7..0000000000000
--- a/GeneratorInterface/LHEInterface/src/HighFive/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-language: cpp
-
-matrix:
-    include:
-        - os: linux
-          sudo: required
-
-install:
- - ./ci/travis/install.sh
-
-script:
- - mkdir -p build && pushd build
- - cmake -G Ninja ../
- - ninja -v
- - ninja test
-