diff --git a/src/apps/diskprobe/ProbeView.cpp b/src/apps/diskprobe/ProbeView.cpp
index 2a23bf8c52..93d7dab856 100644
--- a/src/apps/diskprobe/ProbeView.cpp
+++ b/src/apps/diskprobe/ProbeView.cpp
@@ -50,13 +50,6 @@
 #include "TypeEditors.h"
 
 
-#ifndef __HAIKU__
-#	define DRAW_SLIDER_BAR
-	// if this is defined, the standard slider bar is replaced with
-	// one that looks exactly like the one in the original DiskProbe
-	// (even in Dano/Zeta)
-#endif
-
 #undef B_TRANSLATION_CONTEXT
 #define B_TRANSLATION_CONTEXT "ProbeView"
 
@@ -97,10 +90,6 @@ public:
 									uint32 blockSize);
 	virtual						~PositionSlider();
 
-#ifdef DRAW_SLIDER_BAR
-	virtual	void				DrawBar();
-#endif
-
 			off_t				Position() const;
 			off_t				Size() const { return fSize; }
 			uint32				BlockSize() const { return fBlockSize; }
@@ -282,22 +271,14 @@ void
 IconView::UpdateIcon()
 {
 	if (fBitmap == NULL)
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 		fBitmap = new BBitmap(BRect(0, 0, 31, 31), B_RGBA32);
-#else
-		fBitmap = new BBitmap(BRect(0, 0, 31, 31), B_CMAP8);
-#endif
 
 	if (fBitmap != NULL) {
 		status_t status = B_ERROR;
 
 		if (fIsDevice) {
 			BPath path(&fRef);
-#ifdef __HAIKU__
 			status = get_device_icon(path.Path(), fBitmap, B_LARGE_ICON);
-#else
-			status = get_device_icon(path.Path(), fBitmap->Bits(), B_LARGE_ICON);
-#endif
 		} else
 			status = BNodeInfo::GetTrackerIcon(&fRef, fBitmap);
 
@@ -330,10 +311,8 @@ PositionSlider::PositionSlider(const char* name, BMessage* message,
 {
 	Reset();
 
-#ifndef DRAW_SLIDER_BAR
 	rgb_color color = ui_color(B_CONTROL_HIGHLIGHT_COLOR);
 	UseFillColor(true, &color);
-#endif
 }
 
 
@@ -342,77 +321,6 @@ PositionSlider::~PositionSlider()
 }
 
 
-#ifdef DRAW_SLIDER_BAR
-void
-PositionSlider::DrawBar()
-{
-	BView* view = OffscreenView();
-
-	BRect barFrame = BarFrame();
-	BRect frame = barFrame.InsetByCopy(1, 1);
-	frame.top++;
-	frame.left++;
-	frame.right = ThumbFrame().left + ThumbFrame().Width() / 2;
-#ifdef HAIKU_TARGET_PLATFORM_BEOS
-	if (IsEnabled())
-		view->SetHighColor(102, 152, 203);
-	else
-		view->SetHighColor(92, 102, 160);
-#else
-	view->SetHighColor(IsEnabled() ? ui_color(B_CONTROL_HIGHLIGHT_COLOR)
-		: tint_color(ui_color(B_CONTROL_HIGHLIGHT_COLOR), B_DARKEN_1_TINT));
-#endif
-	view->FillRect(frame);
-
-	frame.left = frame.right + 1;
-	frame.right = barFrame.right - 1;
-	view->SetHighColor(tint_color(ViewColor(), IsEnabled() ? B_DARKEN_1_TINT : B_LIGHTEN_1_TINT));
-	view->FillRect(frame);
-
-	rgb_color cornerColor = tint_color(ViewColor(), B_DARKEN_1_TINT);
-	rgb_color darkColor = tint_color(ViewColor(), B_DARKEN_3_TINT);
-#ifdef HAIKU_TARGET_PLATFORM_BEOS
-	rgb_color shineColor = {255, 255, 255};
-	rgb_color shadowColor = {0, 0, 0};
-#else
-	rgb_color shineColor = ui_color(B_SHINE_COLOR);
-	rgb_color shadowColor = ui_color(B_SHADOW_COLOR);
-#endif
-	if (!IsEnabled()) {
-		darkColor = tint_color(ViewColor(), B_DARKEN_1_TINT);
-		shineColor = tint_color(shineColor, B_DARKEN_2_TINT);
-		shadowColor = tint_color(shadowColor, B_LIGHTEN_2_TINT);
-	}
-
-	view->BeginLineArray(9);
-
-	// the corners
-	view->AddLine(barFrame.LeftTop(), barFrame.LeftTop(), cornerColor);
-	view->AddLine(barFrame.LeftBottom(), barFrame.LeftBottom(), cornerColor);
-	view->AddLine(barFrame.RightTop(), barFrame.RightTop(), cornerColor);
-
-	// the edges
-	view->AddLine(BPoint(barFrame.left, barFrame.top + 1),
-		BPoint(barFrame.left, barFrame.bottom - 1), darkColor);
-	view->AddLine(BPoint(barFrame.right, barFrame.top + 1),
-		BPoint(barFrame.right, barFrame.bottom), shineColor);
-
-	barFrame.left++;
-	barFrame.right--;
-	view->AddLine(barFrame.LeftTop(), barFrame.RightTop(), darkColor);
-	view->AddLine(barFrame.LeftBottom(), barFrame.RightBottom(), shineColor);
-
-	// the inner edges
-	barFrame.top++;
-	view->AddLine(barFrame.LeftTop(), barFrame.RightTop(), shadowColor);
-	view->AddLine(BPoint(barFrame.left, barFrame.top + 1),
-		BPoint(barFrame.left, barFrame.bottom - 1), shadowColor);
-
-	view->EndLineArray();
-}
-#endif	// DRAW_SLIDER_BAR
-
-
 void
 PositionSlider::Reset()
 {
@@ -955,10 +863,6 @@ TypeMenuItem::DrawContent()
 	point.x = Frame().right - 4 - Menu()->StringWidth(fType.String());
 	point.y += fontHeight.ascent;
 
-#ifdef HAIKU_TARGET_PLATFORM_BEOS
-	Menu()->SetDrawingMode(B_OP_ALPHA);
-#endif
-
 	Menu()->DrawString(fType.String(), point);
 }
 
diff --git a/src/apps/diskprobe/TypeEditors.cpp b/src/apps/diskprobe/TypeEditors.cpp
index 6cbb581280..58e264a70a 100644
--- a/src/apps/diskprobe/TypeEditors.cpp
+++ b/src/apps/diskprobe/TypeEditors.cpp
@@ -853,11 +853,10 @@ ImageView::ImageView(DataEditor &editor)
 {
 	if (editor.Type() == B_MINI_ICON_TYPE
 		|| editor.Type() == B_LARGE_ICON_TYPE
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
-		|| editor.Type() == B_VECTOR_ICON_TYPE
-#endif
-		)
+		|| editor.Type() == B_VECTOR_ICON_TYPE) {
 		SetName(B_TRANSLATE("Icon view"));
+	}
+
 
 	fDescriptionView = new BStringView("",
 		B_TRANSLATE_COMMENT("Could not read image", "Image means "
@@ -979,7 +978,6 @@ ImageView::_UpdateImage()
 		fEditor.SetViewSize(viewSize);
 		return;
 	}
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 	if (fBitmap != NULL && fEditor.Type() == B_VECTOR_ICON_TYPE
 		&& fScaleSlider->Value() * 8 - 1 == fBitmap->Bounds().Width()) {
 		if (BIconUtils::GetVectorIcon((const uint8 *)data,
@@ -988,7 +986,6 @@ ImageView::_UpdateImage()
 			return;
 		}
 	}
-#endif
 
 	delete fBitmap;
 	fBitmap = NULL;
@@ -1004,7 +1001,6 @@ ImageView::_UpdateImage()
 			if (fBitmap->InitCheck() == B_OK)
 				fBitmap->SetBits(data, fEditor.FileSize(), 0, B_CMAP8);
 			break;
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 		case B_VECTOR_ICON_TYPE:
 			fBitmap = new BBitmap(BRect(0, 0, fScaleSlider->Value() * 8 - 1,
 				fScaleSlider->Value() * 8 - 1), B_RGB32);
@@ -1015,7 +1011,6 @@ ImageView::_UpdateImage()
 				fBitmap = NULL;
 			}
 			break;
-#endif
 		case B_PNG_FORMAT:
 		{
 			BMemoryIO stream(data, fEditor.FileSize());
@@ -1047,9 +1042,7 @@ ImageView::_UpdateImage()
 		switch (fEditor.Type()) {
 			case B_MINI_ICON_TYPE:
 			case B_LARGE_ICON_TYPE:
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 			case B_VECTOR_ICON_TYPE:
-#endif
 				type = B_TRANSLATE("Icon");
 				break;
 			case B_PNG_FORMAT:
@@ -1177,9 +1170,6 @@ MessageView::SetTo(BMessage& message)
 
 	type_code type;
 	int32 count;
-#ifdef HAIKU_TARGET_PLATFORM_DANO
-	const
-#endif
 	char* name;
 	for (int32 i = 0; message.GetInfo(B_ANY_TYPE, i, &name, &type, &count)
 			== B_OK; i++) {
@@ -1327,9 +1317,7 @@ GetTypeEditorFor(BRect rect, DataEditor& editor)
 		case B_MINI_ICON_TYPE:
 		case B_LARGE_ICON_TYPE:
 		case B_PNG_FORMAT:
-#ifdef HAIKU_TARGET_PLATFORM_HAIKU
 		case B_VECTOR_ICON_TYPE:
-#endif
 			return new ImageView(editor);
 	}