diff --git a/src/gmenu2x.cpp b/src/gmenu2x.cpp
index ce620ad..8e710d3 100644
--- a/src/gmenu2x.cpp
+++ b/src/gmenu2x.cpp
@@ -356,6 +356,7 @@ void GMenu2X::initBG() {
 			serviceX -= 19;
 		}
 	}
+	(void)serviceX;
 
 	bgmain->convertToDisplayFormat();
 }
diff --git a/src/linkapp.cpp b/src/linkapp.cpp
index 62145b3..1cbc516 100644
--- a/src/linkapp.cpp
+++ b/src/linkapp.cpp
@@ -496,6 +496,7 @@ void LinkApp::showManual() {
 				x = gmenu2x.drawButton(s, "right", gmenu2x.tr["Change page"], x);
 				x = gmenu2x.drawButton(s, "cancel", "", x);
 				x = gmenu2x.drawButton(s, "start", gmenu2x.tr["Exit"], x);
+				(void)x;
 
 				ss.clear();
 				ss << page+1;
diff --git a/src/selector.cpp b/src/selector.cpp
index edf8f48..8f92dba 100644
--- a/src/selector.cpp
+++ b/src/selector.cpp
@@ -74,6 +74,7 @@ int Selector::exec(int startSelection) {
 		x = gmenu2x.drawButton(bg, "cancel", "", x);
 	}
 	x = gmenu2x.drawButton(bg, "start", gmenu2x.tr["Exit"], x);
+	(void)x;
 
 	unsigned int top, height;
 	tie(top, height) = gmenu2x.getContentArea();
diff --git a/src/textdialog.cpp b/src/textdialog.cpp
index 3d0aae0..c96d95c 100644
--- a/src/textdialog.cpp
+++ b/src/textdialog.cpp
@@ -75,6 +75,7 @@ void TextDialog::exec() {
 	x = gmenu2x.drawButton(bg, "down", gmenu2x.tr["Scroll"], x);
 	x = gmenu2x.drawButton(bg, "cancel", "", x);
 	x = gmenu2x.drawButton(bg, "start", gmenu2x.tr["Exit"], x);
+	(void)x;
 
 	bg.convertToDisplayFormat();
 
diff --git a/src/textmanualdialog.cpp b/src/textmanualdialog.cpp
index c1f1553..222deb7 100644
--- a/src/textmanualdialog.cpp
+++ b/src/textmanualdialog.cpp
@@ -86,6 +86,7 @@ void TextManualDialog::exec() {
 	x = gmenu2x.drawButton(bg, "right", gmenu2x.tr["Change page"], x);
 	x = gmenu2x.drawButton(bg, "cancel", "", x);
 	x = gmenu2x.drawButton(bg, "start", gmenu2x.tr["Exit"], x);
+	(void)x;
 
 	bg.convertToDisplayFormat();