diff --git a/extras/tests/JsonVariant/containsKey.cpp b/extras/tests/JsonVariant/containsKey.cpp
index fca684ee..6273f814 100644
--- a/extras/tests/JsonVariant/containsKey.cpp
+++ b/extras/tests/JsonVariant/containsKey.cpp
@@ -6,8 +6,6 @@
 #include <stdint.h>
 #include <catch.hpp>
 
-static const char* null = 0;
-
 TEST_CASE("JsonVariant::containsKey()") {
   DynamicJsonDocument doc(4096);
   JsonVariant var = doc.to<JsonVariant>();
diff --git a/extras/tests/JsonVariant/remove.cpp b/extras/tests/JsonVariant/remove.cpp
index c744e19b..45e3485c 100644
--- a/extras/tests/JsonVariant/remove.cpp
+++ b/extras/tests/JsonVariant/remove.cpp
@@ -6,8 +6,6 @@
 #include <stdint.h>
 #include <catch.hpp>
 
-static const char* null = 0;
-
 TEST_CASE("JsonVariant::remove()") {
   DynamicJsonDocument doc(4096);
   JsonVariant var = doc.to<JsonVariant>();