diff --git a/games-emulation/pcsx2/pcsx2-1.4.0-r1.ebuild b/games-emulation/pcsx2/pcsx2-1.4.0-r1.ebuild
index 0ddc30dd7ba3c..1d948bfb065e6 100644
--- a/games-emulation/pcsx2/pcsx2-1.4.0-r1.ebuild
+++ b/games-emulation/pcsx2/pcsx2-1.4.0-r1.ebuild
@@ -86,7 +86,6 @@ src_configure() {
 		-DPACKAGE_MODE=TRUE
 		-DXDG_STD=TRUE
 
-		-DCMAKE_INSTALL_PREFIX=/usr
 		-DCMAKE_LIBRARY_PATH="/usr/$(get_libdir)/${PN}"
 		-DDOC_DIR=/usr/share/doc/"${PF}"
 		-DEGL_API=FALSE
diff --git a/games-emulation/pcsx2/pcsx2-1.4.0-r2.ebuild b/games-emulation/pcsx2/pcsx2-1.4.0-r2.ebuild
index 11e3f7bd7c969..f4c574ef75a8d 100644
--- a/games-emulation/pcsx2/pcsx2-1.4.0-r2.ebuild
+++ b/games-emulation/pcsx2/pcsx2-1.4.0-r2.ebuild
@@ -65,7 +65,6 @@ src_configure() {
 		-DPACKAGE_MODE=TRUE
 		-DXDG_STD=TRUE
 
-		-DCMAKE_INSTALL_PREFIX=/usr
 		-DCMAKE_LIBRARY_PATH="/usr/$(get_libdir)/${PN}"
 		-DDOC_DIR=/usr/share/doc/"${PF}"
 		-DEGL_API=FALSE
diff --git a/games-emulation/pcsx2/pcsx2-9999.ebuild b/games-emulation/pcsx2/pcsx2-9999.ebuild
index f5e4931ead161..24784ff64676d 100644
--- a/games-emulation/pcsx2/pcsx2-9999.ebuild
+++ b/games-emulation/pcsx2/pcsx2-9999.ebuild
@@ -72,7 +72,6 @@ src_configure() {
 		-DPACKAGE_MODE=TRUE
 		-DXDG_STD=TRUE
 
-		-DCMAKE_INSTALL_PREFIX=/usr
 		-DCMAKE_LIBRARY_PATH="/usr/$(get_libdir)/${PN}"
 		-DDOC_DIR=/usr/share/doc/"${PF}"
 		-DEGL_API=FALSE