diff --git a/components/search_engines/brave_prepopulated_engines.cc b/components/search_engines/brave_prepopulated_engines.cc
index 571e33eb2cbc..cda70eec9933 100644
--- a/components/search_engines/brave_prepopulated_engines.cc
+++ b/components/search_engines/brave_prepopulated_engines.cc
@@ -36,8 +36,6 @@ PrepopulatedEngine MakeBravePrepopulatedEngine(const char16_t* const name,
           /*search_url_post_params=*/nullptr,
           /*suggest_url_post_params=*/nullptr,
           /*image_url_post_params=*/nullptr,
-          /*side_search_param=*/nullptr,
-          /*side_image_search_param=*/nullptr,
           /*image_translate_source_language_param_key=*/nullptr,
           /*image_translate_target_language_param_key=*/nullptr,
           /*image_search_branding_label=*/nullptr,
@@ -89,8 +87,6 @@ PrepopulatedEngine ModifyEngineParams(const PrepopulatedEngine& engine,
           engine.search_url_post_params,
           engine.suggest_url_post_params,
           engine.image_url_post_params,
-          engine.side_search_param,
-          engine.side_image_search_param,
           engine.image_translate_source_language_param_key,
           engine.image_translate_target_language_param_key,
           engine.image_search_branding_label,