diff --git a/effects/internal/vsthost.cpp b/effects/internal/vsthost.cpp
index c42125d94..e56393fe8 100644
--- a/effects/internal/vsthost.cpp
+++ b/effects/internal/vsthost.cpp
@@ -1,5 +1,7 @@
 #include "vsthost.h"
 
+#ifdef _WIN32
+
 // adapted from http://teragonaudio.com/article/How-to-make-your-own-VST-host.html
 
 #include <QPushButton>
@@ -264,3 +266,5 @@ void VSTHost::change_plugin() {
 	}
 	show_interface_btn->setEnabled(plugin != nullptr);
 }
+
+#endif
diff --git a/effects/internal/vsthost.h b/effects/internal/vsthost.h
index e36105cfd..13a99a816 100644
--- a/effects/internal/vsthost.h
+++ b/effects/internal/vsthost.h
@@ -1,6 +1,8 @@
 #ifndef VSTHOSTWIN_H
 #define VSTHOSTWIN_H
 
+#ifdef _WIN32
+
 #include "project/effect.h"
 
 #include "io/crossplatformlib.h"
@@ -47,4 +49,6 @@ private:
 	ModulePtr modulePtr;
 };
 
+#endif
+
 #endif // VSTHOSTWIN_H
diff --git a/olive.pro b/olive.pro
index 97f4572ea..8ce6d9483 100644
--- a/olive.pro
+++ b/olive.pro
@@ -239,9 +239,6 @@ FORMS +=
 win32 {
     RC_FILE = packaging/windows/resources.rc
     LIBS += -lavutil -lavformat -lavcodec -lavfilter -lswscale -lswresample -lopengl32 -luser32
-
-        SOURCES +=
-        HEADERS +=
 }
 
 mac {
diff --git a/project/effect.cpp b/project/effect.cpp
index 4ba72f4d8..ddf2748ad 100644
--- a/project/effect.cpp
+++ b/project/effect.cpp
@@ -693,10 +693,10 @@ void Effect::startEffect() {
 
 void Effect::endEffect() {
 	if (bound) glslProgram->release();
-	bound = false;
+    bound = false;
 }
 
-void Effect::process_image(double, uint8_t *input, uint8_t *output, int) {}
+void Effect::process_image(double, uint8_t *, uint8_t *, int){}
 
 Effect* Effect::copy(Clip* c) {
 	Effect* copy = create_effect(c, meta);
diff --git a/project/effect.h b/project/effect.h
index cc48d9d72..6779501c4 100644
--- a/project/effect.h
+++ b/project/effect.h
@@ -1,4 +1,4 @@
-#ifndef EFFECT_H
+#ifndef EFFECT_H
 #define EFFECT_H
 
 #include <QObject>
@@ -159,7 +159,7 @@ public:
 
 	const char* ffmpeg_filter;
 
-	virtual void process_image(double timecode, uint8_t* input, uint8_t* output, int size);
+    virtual void process_image(double timecode, uint8_t* input, uint8_t* output, int size);
 	virtual void process_shader(double timecode, GLTextureCoords&);
 	virtual void process_coords(double timecode, GLTextureCoords& coords, int data);
 	virtual GLuint process_superimpose(double timecode);