diff --git a/Source/Core/VideoCommon/PostProcessing.cpp b/Source/Core/VideoCommon/PostProcessing.cpp
index 027ad85ab5..756bcea5e0 100644
--- a/Source/Core/VideoCommon/PostProcessing.cpp
+++ b/Source/Core/VideoCommon/PostProcessing.cpp
@@ -63,6 +63,10 @@ std::vector<std::string> PostProcessingShaderImplementation::GetAnaglyphShaderLi
   return {};
 }
 
+PostProcessingShaderConfiguration::PostProcessingShaderConfiguration() = default;
+
+PostProcessingShaderConfiguration::~PostProcessingShaderConfiguration() = default;
+
 std::string PostProcessingShaderConfiguration::LoadShader(std::string shader)
 {
   // Load the shader from the configuration if there isn't one sent to us.
diff --git a/Source/Core/VideoCommon/PostProcessing.h b/Source/Core/VideoCommon/PostProcessing.h
index f453fff587..e610b7fc38 100644
--- a/Source/Core/VideoCommon/PostProcessing.h
+++ b/Source/Core/VideoCommon/PostProcessing.h
@@ -46,20 +46,21 @@ public:
     bool m_dirty;
   };
 
-  typedef std::map<std::string, ConfigurationOption> ConfigMap;
+  using ConfigMap = std::map<std::string, ConfigurationOption>;
+
+  PostProcessingShaderConfiguration();
+  virtual ~PostProcessingShaderConfiguration();
 
-  PostProcessingShaderConfiguration() : m_current_shader("") {}
-  virtual ~PostProcessingShaderConfiguration() {}
   // Loads the configuration with a shader
   // If the argument is "" the class will load the shader from the g_activeConfig option.
   // Returns the loaded shader source from file
   std::string LoadShader(std::string shader = "");
   void SaveOptionsConfiguration();
   void ReloadShader();
-  std::string GetShader() { return m_current_shader; }
-  bool IsDirty() { return m_any_options_dirty; }
+  const std::string& GetShader() const { return m_current_shader; }
+  bool IsDirty() const { return m_any_options_dirty; }
   void SetDirty(bool dirty) { m_any_options_dirty = dirty; }
-  bool HasOptions() { return m_options.size() > 0; }
+  bool HasOptions() const { return m_options.size() > 0; }
   const ConfigMap& GetOptions() const { return m_options; }
   ConfigMap& GetOptions() { return m_options; }
   const ConfigurationOption& GetOption(const std::string& option) { return m_options[option]; }
@@ -69,7 +70,7 @@ public:
   void SetOptionb(const std::string& option, bool value);
 
 private:
-  bool m_any_options_dirty;
+  bool m_any_options_dirty = false;
   std::string m_current_shader;
   ConfigMap m_options;