diff --git a/.clang-format b/.clang-format
index 2cd8d678a..0965e5724 100644
--- a/.clang-format
+++ b/.clang-format
@@ -28,8 +28,9 @@ PointerAlignment: Left
 ReflowComments: "false"
 SortIncludes: "true"
 SpaceAfterCStyleCast: "false"
+SpaceInEmptyBlock: "false"
 SpacesBeforeTrailingComments: "2"
 SpacesInAngles: "true"
 SpacesInParentheses: "true"
 SpacesInSquareBrackets: "true"
-Standard: Cpp11
+Standard: c++17
diff --git a/.clang-format.base b/.clang-format.base
deleted file mode 100644
index 2cd8d678a..000000000
--- a/.clang-format.base
+++ /dev/null
@@ -1,35 +0,0 @@
-#   SPDX-FileCopyrightText: no
-#   SPDX-License-Identifier: CC0-1.0
----
-BasedOnStyle: WebKit
-
-AlignAfterOpenBracket: Align
-AlignEscapedNewlines: DontAlign
-AllowAllParametersOfDeclarationOnNextLine: "false"
-AllowShortFunctionsOnASingleLine: Inline
-AllowShortIfStatementsOnASingleLine: "false"
-AllowShortLambdasOnASingleLine: All
-AllowShortLoopsOnASingleLine: "false"
-AlwaysBreakAfterReturnType: TopLevelDefinitions
-AlwaysBreakTemplateDeclarations: Yes
-BinPackArguments: "false"
-BinPackParameters: "false"
-BreakBeforeBraces: Allman
-BreakBeforeTernaryOperators: "true"
-BreakConstructorInitializers: BeforeComma
-ColumnLimit: 120
-Cpp11BracedListStyle: "false"
-FixNamespaceComments: "true"
-IncludeBlocks: Preserve
-IndentWidth: "4"
-MaxEmptyLinesToKeep: "2"
-NamespaceIndentation: None
-PointerAlignment: Left
-ReflowComments: "false"
-SortIncludes: "true"
-SpaceAfterCStyleCast: "false"
-SpacesBeforeTrailingComments: "2"
-SpacesInAngles: "true"
-SpacesInParentheses: "true"
-SpacesInSquareBrackets: "true"
-Standard: Cpp11
diff --git a/ci/calamaresstyle b/ci/calamaresstyle
index ffcfe0902..f5bcd2bb9 100755
--- a/ci/calamaresstyle
+++ b/ci/calamaresstyle
@@ -19,12 +19,12 @@ BASEDIR=$(dirname $0)
 TOPDIR=$( cd $BASEDIR/.. && pwd -P )
 test -d "$BASEDIR" || { echo "! Could not determine base for $0" ; exit 1 ; }
 test -d "$TOPDIR" || { echo "! Cound not determine top-level source dir" ; exit 1 ; }
-test -f "$TOPDIR/.clang-format.base" || { echo "! No .clang-format support files in $TOPDIR" ; exit 1 ; }
+test -f "$TOPDIR/.clang-format" || { echo "! No .clang-format support files in $TOPDIR" ; exit 1 ; }
 
 AS=$( which astyle )
 
 # Allow specifying CF_VERSIONS outside already
-CF_VERSIONS="$CF_VERSIONS clang-format-8 clang-format80 clang-format90 clang-format-9.0.1 clang-format"
+CF_VERSIONS="$CF_VERSIONS clang-format13 clang-format12 clang-format"
 for _cf in $CF_VERSIONS
 do
 	# Not an error if this particular clang-format isn't found
@@ -40,31 +40,19 @@ test -x "$CF" || { echo "! $CF is not executable."; exit 1 ; }
 ### CLANG-FORMAT-WRANGLING
 #
 # Version 7 and earlier doesn't understand all the options we would like
-# Version 8 is ok
-# Version 9 is ok
-# Later versions change some defaults so need extra wrangling.
-# .. there are extra files that are appended to the settings, per
-# .. clang-format version.
+# Version 12 handles lambdas nicely, so use that.
+# Version 13 is also ok.
 
 format_version=`"$CF" --version | tr -dc '[^.0-9]' | cut  -d . -f 1`
 case "$format_version" in
-	[0-7] )
-		echo "! Clang-format version 8+ required"
-		exit 1
-		;;
-	[89] )
+	12|13 )
 		:
 		;;
 	* )
-		echo "! Clang-format version '$format_version' unsupported."
+		echo "! Clang-format version '$format_version' unsupported, version 12 required."
 		exit 1
 		;;
 esac
-_fmt="$TOPDIR/.clang-format"
-cp "$_fmt.base" "$_fmt"
-for f in "$extra_settings" ; do
-	test -f "$_fmt.$f" && cat "$_fmt.$f" >> "$_fmt"
-done
 
 
 ### FILE PROCESSING
@@ -98,8 +86,3 @@ if test "x$any_dirs" = "xyes" ; then
 else
 	style_some "$@"
 fi
-
-### CLANG-FORMAT-WRANGLING
-#
-# Restore the original .clang-format
-cp "$_fmt.base" "$_fmt"