diff --git a/config.xsd b/config.xsd
index 50a69fc0c..8955d3653 100644
--- a/config.xsd
+++ b/config.xsd
@@ -46,7 +46,7 @@
 
     <xs:complexType name="ProjectFilesType">
         <xs:choice maxOccurs="unbounded">
-            <xs:element name="directory" minOccurs="0" maxOccurs="unbounded" type="NameAttributeType" />
+            <xs:element name="directory" minOccurs="0" maxOccurs="unbounded" type="ProjectDirectoryAttributeType" />
             <xs:element name="file" minOccurs="0" maxOccurs="unbounded" type="NameAttributeType" />
             <xs:element name="ignoreFiles" minOccurs="0" maxOccurs="1">
                 <xs:complexType>
@@ -63,6 +63,11 @@
         <xs:attribute name="name" type="xs:string" use="required" />
     </xs:complexType>
 
+    <xs:complexType name="ProjectDirectoryAttributeType">
+        <xs:attribute name="name" type="xs:string" use="required" />
+        <xs:attribute name="ignoreTypeStats" type="xs:string" />
+    </xs:complexType>
+
     <xs:complexType name="FileExtensionsType">
         <xs:sequence>
             <xs:element name="extension" maxOccurs="unbounded">
diff --git a/src/Psalm/Codebase/Analyzer.php b/src/Psalm/Codebase/Analyzer.php
index 24d17697c..e20741cd9 100644
--- a/src/Psalm/Codebase/Analyzer.php
+++ b/src/Psalm/Codebase/Analyzer.php
@@ -306,6 +306,10 @@ class Analyzer
         }
 
         foreach ($all_deep_scanned_files as $file_path => $_) {
+            if (!$this->config->reportTypeStatsForFile($file_path)) {
+                continue;
+            }
+
             if (isset($this->mixed_counts[$file_path])) {
                 list($path_mixed_count, $path_nonmixed_count) = $this->mixed_counts[$file_path];
                 $mixed_count += $path_mixed_count;
@@ -342,6 +346,10 @@ class Analyzer
         foreach ($this->files_to_analyze as $file_path => $_) {
             $all_deep_scanned_files[$file_path] = true;
 
+            if (!$this->config->reportTypeStatsForFile($file_path)) {
+                continue;
+            }
+
             foreach ($this->file_storage_provider->get($file_path)->required_file_paths as $required_file_path) {
                 $all_deep_scanned_files[$required_file_path] = true;
             }
diff --git a/src/Psalm/Config.php b/src/Psalm/Config.php
index 5c4b8a445..00f168cee 100644
--- a/src/Psalm/Config.php
+++ b/src/Psalm/Config.php
@@ -983,6 +983,16 @@ class Config
         return $this->project_files->getFiles();
     }
 
+    /**
+     * @param   string $file_path
+     *
+     * @return  bool
+     */
+    public function reportTypeStatsForFile($file_path)
+    {
+        return $this->project_files && $this->project_files->reportTypeStats($file_path);
+    }
+
     /**
      * @return array<string>
      */
diff --git a/src/Psalm/Config/FileFilter.php b/src/Psalm/Config/FileFilter.php
index 2be1e23a9..401584832 100644
--- a/src/Psalm/Config/FileFilter.php
+++ b/src/Psalm/Config/FileFilter.php
@@ -40,6 +40,11 @@ class FileFilter
      */
     protected $inclusive;
 
+    /**
+     * @var array<string, bool>
+     */
+    protected $ignore_type_stats = [];
+
     /**
      * @param  bool             $inclusive
      *
@@ -72,6 +77,9 @@ class FileFilter
             /** @var \SimpleXMLElement $directory */
             foreach ($e->directory as $directory) {
                 $directory_path = (string) $directory['name'];
+                $ignore_type_stats = strtolower(
+                    isset($directory['ignoreTypeStats']) ? (string) $directory['ignoreTypeStats'] : ''
+                ) === 'true';
 
                 if ($directory_path[0] === '/' && DIRECTORY_SEPARATOR === '/') {
                     $prospective_directory_path = $directory_path;
@@ -100,6 +108,11 @@ class FileFilter
                                 (string)$directory['name'] . ':' . $glob_index . PHP_EOL;
                             exit(1);
                         }
+
+                        if ($ignore_type_stats && $filter instanceof ProjectFileFilter) {
+                            $filter->ignore_type_stats[$directory_path] = true;
+                        }
+
                         $filter->addDirectory($directory_path);
                     }
                     continue;
@@ -113,6 +126,10 @@ class FileFilter
                     exit(1);
                 }
 
+                if ($ignore_type_stats && $filter instanceof ProjectFileFilter) {
+                    $filter->ignore_type_stats[$directory_path] = true;
+                }
+
                 $filter->addDirectory($directory_path);
             }
         }
diff --git a/src/Psalm/Config/ProjectFileFilter.php b/src/Psalm/Config/ProjectFileFilter.php
index 6714ca1a5..578661959 100644
--- a/src/Psalm/Config/ProjectFileFilter.php
+++ b/src/Psalm/Config/ProjectFileFilter.php
@@ -69,4 +69,27 @@ class ProjectFileFilter extends FileFilter
 
         return false;
     }
+
+    /**
+     * @param  string $file_name
+     * @param  bool   $case_sensitive
+     *
+     * @return bool
+     */
+    public function reportTypeStats($file_name, $case_sensitive = false)
+    {
+        foreach ($this->ignore_type_stats as $exclude_dir => $_) {
+            if ($case_sensitive) {
+                if (strpos($file_name, $exclude_dir) === 0) {
+                    return false;
+                }
+            } else {
+                if (stripos($file_name, $exclude_dir) === 0) {
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
 }