diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9d02c101..b442fc11 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,10 +21,6 @@ if (NOT NRF5_SDK_PATH)
   message(FATAL_ERROR "The path to the NRF52 SDK must be specified on the command line (add -DNRF5_SDK_PATH=<path>")
 endif ()
 
-if(NOT USE_JLINK AND NOT USE_GDB_CLIENT AND NOT USE_OPENOCD)
-  set(USE_JLINK true)
-endif()
-
 if(USE_JLINK)
   if (NOT NRFJPROG)
     message(FATAL_ERROR "the path to the tool nrfjprog must be specified on the command line (add -DNRFJPROG=<path>")
diff --git a/hooks/README.md b/hooks/README.md
new file mode 100644
index 00000000..de8fc67b
--- /dev/null
+++ b/hooks/README.md
@@ -0,0 +1,5 @@
+# Git hooks
+
+This directory contains Git hooks that simplify contributing to this repository.
+
+You can install them by copying the files into `.git/hooks` in the repository folder or by running `git config --local core.hooksPath hooks`
diff --git a/hooks/pre-commit b/hooks/pre-commit
new file mode 100755
index 00000000..5e10aa19
--- /dev/null
+++ b/hooks/pre-commit
@@ -0,0 +1,25 @@
+#!/bin/bash
+if clang-format --version | grep -q 'version 11\.'; then
+   CLANG_FORMAT_EXECUTABLE="clang-format"
+else
+   CLANG_FORMAT_EXECUTABLE="clang-format-11"
+fi
+
+if ! command -v $CLANG_FORMAT_EXECUTABLE &> /dev/null
+then
+    echo $CLANG_FORMAT_EXECUTABLE does not exist, make sure to install it
+    exit 1
+fi
+
+for FILE in $(git diff --cached --name-only)
+do
+	if [[ "$FILE" =~ src/[A-Za-z0-9\ \-]+*\.(c|h|cpp|cc)$ ]]; then
+		echo Autoformatting $FILE with $CLANG_FORMAT_EXECUTABLE
+		$CLANG_FORMAT_EXECUTABLE -style=file -i -- $FILE
+		git add -- $FILE
+	elif [[ "$FILE" =~ src/(components|displayapp|drivers|heartratetask|logging|systemtask)/.*\.(c|h|cpp|cc)$ ]]; then
+		echo Autoformatting $FILE with $CLANG_FORMAT_EXECUTABLE
+		$CLANG_FORMAT_EXECUTABLE -style=file -i -- $FILE
+		git add -- $FILE
+	fi
+done