diff --git a/src/core/mavlink_parameters.cpp b/src/core/mavlink_parameters.cpp
index 781334bf3c..6dfa1d37d0 100644
--- a/src/core/mavlink_parameters.cpp
+++ b/src/core/mavlink_parameters.cpp
@@ -342,7 +342,6 @@ void MAVLinkParameters::process_param_ext_value(const mavlink_message_t& message
                 // FIXME: workaround for mismatching type uint8_t which should be uint16_t.
                 ParamValue correct_type_value;
                 correct_type_value.set_uint16(static_cast<uint16_t>(value.get_uint8()));
-                _cache[work->param_name] = correct_type_value;
                 if (work->get_param_callback) {
                     work->get_param_callback(
                         MAVLinkParameters::Result::SUCCESS, correct_type_value);
@@ -351,7 +350,6 @@ void MAVLinkParameters::process_param_ext_value(const mavlink_message_t& message
                 // FIXME: workaround for mismatching type uint8_t which should be uint32_t.
                 ParamValue correct_type_value;
                 correct_type_value.set_uint32(static_cast<uint32_t>(value.get_uint8()));
-                _cache[work->param_name] = correct_type_value;
                 if (work->get_param_callback) {
                     work->get_param_callback(
                         MAVLinkParameters::Result::SUCCESS, correct_type_value);