diff --git a/clang-tools-extra/clangd/test/Inputs/.clang-tidy b/clang-tools-extra/clangd/test/Inputs/.clang-tidy
new file mode 100644
--- /dev/null
+++ b/clang-tools-extra/clangd/test/Inputs/.clang-tidy
@@ -0,0 +1,3 @@
+# disable the check on the test input data
+InheritParentConfig: true
+Checks: "-misc-definitions-in-headers,-llvm-header-guard,-clang-diagnostic-unused-variable"
diff --git a/clang-tools-extra/clangd/test/index-serialization/Inputs/.clang-tidy b/clang-tools-extra/clangd/test/index-serialization/Inputs/.clang-tidy
new file mode 100644
--- /dev/null
+++ b/clang-tools-extra/clangd/test/index-serialization/Inputs/.clang-tidy
@@ -0,0 +1,3 @@
+# disable the check on the test input data
+InheritParentConfig: true
+Checks: "-clang-diagnostic-non-virtual-dtor,-readability-identifier-naming"
diff --git a/clang-tools-extra/clangd/test/remote-index/Inputs/.clang-tidy b/clang-tools-extra/clangd/test/remote-index/Inputs/.clang-tidy
new file mode 100644
--- /dev/null
+++ b/clang-tools-extra/clangd/test/remote-index/Inputs/.clang-tidy
@@ -0,0 +1,3 @@
+# disable the check on the test input data
+InheritParentConfig: true
+Checks: "-misc-definitions-in-headers"