diff --git a/components/brave_shields/content/test/strip_procedural_filters_unittest.cc b/components/brave_shields/content/test/strip_procedural_filters_unittest.cc
index e74f915728f..d7c800c7cd0 100644
--- a/components/brave_shields/content/test/strip_procedural_filters_unittest.cc
+++ b/components/brave_shields/content/test/strip_procedural_filters_unittest.cc
@@ -8,6 +8,7 @@
 #include "base/json/json_reader.h"
 #include "brave/components/brave_shields/adblock/rs/src/lib.rs.h"
 #include "brave/components/brave_shields/core/browser/ad_block_service_helper.h"
+#include "brave/components/brave_shields/core/common/brave_shield_constants.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -46,13 +47,15 @@ TEST_F(StripProceduralFiltersTest, EmptyResources) {
   std::string rules = "";
   auto resources = ResourcesForRules(rules);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 0UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            0UL);
 
   StripProceduralFilters(resources);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 0UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            0UL);
 }
 
 TEST_F(StripProceduralFiltersTest, NotRemoved) {
@@ -64,14 +67,16 @@ TEST_F(StripProceduralFiltersTest, NotRemoved) {
   )";
   auto resources = ResourcesForRules(rules);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 4UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            4UL);
 
   // no-op - no procedural filters
   StripProceduralFilters(resources);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 4UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            4UL);
 }
 
 TEST_F(StripProceduralFiltersTest, ProceduralFilters) {
@@ -84,14 +89,16 @@ TEST_F(StripProceduralFiltersTest, ProceduralFilters) {
   )";
   auto resources = ResourcesForRules(rules);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 5UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            5UL);
 
   // All removed; only procedural filters
   StripProceduralFilters(resources);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 0UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            0UL);
 }
 
 TEST_F(StripProceduralFiltersTest, Mixed) {
@@ -108,14 +115,16 @@ TEST_F(StripProceduralFiltersTest, Mixed) {
   )";
   auto resources = ResourcesForRules(rules);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 9UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            9UL);
 
   // 5 procedural filters removed; 4 non-procedural filters remaining
   StripProceduralFilters(resources);
 
-  ASSERT_TRUE(resources.FindList("procedural_actions"));
-  ASSERT_EQ(resources.FindList("procedural_actions")->size(), 4UL);
+  ASSERT_TRUE(resources.FindList(kCosmeticResourcesProceduralActions));
+  ASSERT_EQ(resources.FindList(kCosmeticResourcesProceduralActions)->size(),
+            4UL);
 }
 
 }  // namespace brave_shields
diff --git a/components/brave_shields/core/browser/ad_block_service_helper.cc b/components/brave_shields/core/browser/ad_block_service_helper.cc
index 16f174462fe..d33939fd73f 100644
--- a/components/brave_shields/core/browser/ad_block_service_helper.cc
+++ b/components/brave_shields/core/browser/ad_block_service_helper.cc
@@ -11,6 +11,7 @@
 #include "base/json/json_reader.h"
 #include "base/strings/strcat.h"
 #include "base/values.h"
+#include "brave/components/brave_shields/core/common/brave_shield_constants.h"
 
 namespace brave_shields {
 
@@ -64,7 +65,8 @@ void MergeResourcesInto(base::Value::Dict from,
     }
   }
 
-  constexpr std::string_view kListKeys[] = {"exceptions", "procedural_actions"};
+  constexpr std::string_view kListKeys[] = {
+      "exceptions", kCosmeticResourcesProceduralActions};
   for (const auto& key_ : kListKeys) {
     base::Value::List* resources = into.FindList(key_);
     base::Value::List* from_resources = from.FindList(key_);
@@ -98,7 +100,7 @@ void MergeResourcesInto(base::Value::Dict from,
 // https://docs.rs/adblock/latest/adblock/cosmetic_filter_cache/struct.ProceduralOrActionFilter.html
 void StripProceduralFilters(base::Value::Dict& resources) {
   base::Value::List* procedural_actions =
-      resources.FindList("procedural_actions");
+      resources.FindList(kCosmeticResourcesProceduralActions);
   if (procedural_actions) {
     base::Value::List::iterator it = procedural_actions->begin();
     while (it < procedural_actions->end()) {
diff --git a/components/brave_shields/core/common/brave_shield_constants.h b/components/brave_shields/core/common/brave_shield_constants.h
index 607c974a72c..0269c7e648b 100644
--- a/components/brave_shields/core/common/brave_shield_constants.h
+++ b/components/brave_shields/core/common/brave_shield_constants.h
@@ -33,6 +33,11 @@ inline constexpr char kObsoleteShieldsCookies[] = "shieldsCookies";
 // Some users were not properly migrated from fingerprinting V1.
 inline constexpr char kObsoleteFingerprinting[] = "fingerprinting";
 
+// Key for procedural and action filters in the UrlCosmeticResources struct from
+// adblock-rust
+inline constexpr char kCosmeticResourcesProceduralActions[] =
+    "procedural_actions";
+
 // Filename for cached text from a custom filter list subscription
 const base::FilePath::CharType kCustomSubscriptionListText[] =
     FILE_PATH_LITERAL("list_text.txt");
diff --git a/components/cosmetic_filters/browser/cosmetic_filters_resources.cc b/components/cosmetic_filters/browser/cosmetic_filters_resources.cc
index 4809e50fddf..e9fea0c8791 100644
--- a/components/cosmetic_filters/browser/cosmetic_filters_resources.cc
+++ b/components/cosmetic_filters/browser/cosmetic_filters_resources.cc
@@ -13,6 +13,7 @@
 #include "base/json/json_reader.h"
 #include "base/values.h"
 #include "brave/components/brave_shields/content/browser/ad_block_service.h"
+#include "brave/components/brave_shields/core/common/brave_shield_constants.h"
 #include "brave/components/brave_shields/core/common/features.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
 
@@ -97,7 +98,7 @@ void CosmeticFiltersResources::UrlCosmeticResources(
       ad_block_service_->UrlCosmeticResources(url, aggressive_blocking);
 
   const auto* procedural_actions_list =
-      resources.FindList("procedural_actions");
+      resources.FindList(brave_shields::kCosmeticResourcesProceduralActions);
   if (procedural_actions_list && !procedural_actions_list->empty()) {
     const char* procedural_filtering_feature_enabled =
         base::FeatureList::IsEnabled(