diff --git a/lib/cc/engine/analyzers/php/main.rb b/lib/cc/engine/analyzers/php/main.rb
index 8237ca88..052506cf 100644
--- a/lib/cc/engine/analyzers/php/main.rb
+++ b/lib/cc/engine/analyzers/php/main.rb
@@ -15,6 +15,9 @@ class Main < CC::Engine::Analyzers::Base
             "**/*.php",
           ].freeze
           DEFAULT_MASS_THRESHOLD = 28
+          DEFAULT_FILTERS = [
+            "(use ___)".freeze,
+          ].freeze
           POINTS_PER_OVERAGE = 100_000
 
           def transform_sexp(sexp)
@@ -32,6 +35,10 @@ def process_file(path)
           def php_parser
             ::CC::Engine::Analyzers::Php::Parser
           end
+
+          def default_filters
+            DEFAULT_FILTERS.map { |filter| Sexp::Matcher.parse filter }
+          end
         end
       end
     end
diff --git a/spec/cc/engine/analyzers/php/main_spec.rb b/spec/cc/engine/analyzers/php/main_spec.rb
index 008b33b0..1f2c5b03 100644
--- a/spec/cc/engine/analyzers/php/main_spec.rb
+++ b/spec/cc/engine/analyzers/php/main_spec.rb
@@ -163,6 +163,37 @@
         "lines" => { "begin" => 11, "end" => 16 },
       })
     end
+
+    it "ignores namespace and use declarations" do
+      create_source_file("foo.php", <<~EOPHP)
+      <?php
+      namespace KeepClear\\Http\\Controllers\\API\\V1;
+      use Illuminate\\Http\\Request;
+      use KeepClear\\Http\\Controllers\\Controller;
+      use KeepClear\\Models\\Comment;
+      use KeepClear\\Models\\User;
+      use KeepClear\\Models\\Asset;
+      use KeepClear\\Traits\\Controllers\\ApiFilter;
+      use KeepClear\\Traits\\Controllers\\ApiParseBody;
+      use KeepClear\\Traits\\Controllers\\ApiException;
+      EOPHP
+
+      create_source_file("bar.php", <<~EOPHP)
+      <?php
+      namespace KeepClear\\Http\\Controllers\\API\\V1;
+      use Illuminate\\Http\\Request;
+      use KeepClear\\Http\\Controllers\\Controller;
+      use KeepClear\\Models\\Comment;
+      use KeepClear\\Models\\User;
+      use KeepClear\\Models\\Asset;
+      use KeepClear\\Traits\\Controllers\\ApiFilter;
+      use KeepClear\\Traits\\Controllers\\ApiParseBody;
+      use KeepClear\\Traits\\Controllers\\ApiException;
+      EOPHP
+
+      issues = run_engine(engine_conf).strip.split("\0")
+      expect(issues).to be_empty
+    end
   end
 
   def engine_conf