diff --git a/dev-python/matplotlib/matplotlib-1.4.2.ebuild b/dev-python/matplotlib/matplotlib-1.4.2.ebuild
index defc79b79f4b6..f5b16b1f56800 100644
--- a/dev-python/matplotlib/matplotlib-1.4.2.ebuild
+++ b/dev-python/matplotlib/matplotlib-1.4.2.ebuild
@@ -202,6 +202,7 @@ python_configure() {
 wrap_setup() {
 	local MPLSETUPCFG=${BUILD_DIR}/setup.cfg
 	export MPLSETUPCFG
+	unset DISPLAY
 
 	# Note: remove build... if switching to out-of-source build
 	"${@}" build --build-lib="${BUILD_DIR}"/build/lib
diff --git a/dev-python/matplotlib/matplotlib-1.4.3.ebuild b/dev-python/matplotlib/matplotlib-1.4.3.ebuild
index a31fa3f6d9a78..86adcbf5e7e2e 100644
--- a/dev-python/matplotlib/matplotlib-1.4.3.ebuild
+++ b/dev-python/matplotlib/matplotlib-1.4.3.ebuild
@@ -219,6 +219,7 @@ python_configure() {
 wrap_setup() {
 	local MPLSETUPCFG=${BUILD_DIR}/setup.cfg
 	export MPLSETUPCFG
+	unset DISPLAY
 
 	# Note: remove build... if switching to out-of-source build
 	"${@}" build --build-lib="${BUILD_DIR}"/build/lib
diff --git a/dev-python/matplotlib/matplotlib-1.5.0.ebuild b/dev-python/matplotlib/matplotlib-1.5.0.ebuild
index f644ffe5def97..cc6fe7edd615d 100644
--- a/dev-python/matplotlib/matplotlib-1.5.0.ebuild
+++ b/dev-python/matplotlib/matplotlib-1.5.0.ebuild
@@ -224,6 +224,7 @@ python_configure() {
 wrap_setup() {
 	local MPLSETUPCFG=${BUILD_DIR}/setup.cfg
 	export MPLSETUPCFG
+	unset DISPLAY
 
 	# Note: remove build... if switching to out-of-source build
 	"${@}" build --build-lib="${BUILD_DIR}"/build/lib
diff --git a/dev-python/matplotlib/matplotlib-9999.ebuild b/dev-python/matplotlib/matplotlib-9999.ebuild
index 64665e727b180..a62eac5ee1f08 100644
--- a/dev-python/matplotlib/matplotlib-9999.ebuild
+++ b/dev-python/matplotlib/matplotlib-9999.ebuild
@@ -215,6 +215,7 @@ python_configure() {
 wrap_setup() {
 	local MPLSETUPCFG=${BUILD_DIR}/setup.cfg
 	export MPLSETUPCFG
+	unset DISPLAY
 
 	# Note: remove build... if switching to out-of-source build
 	"${@}" build --build-lib="${BUILD_DIR}"/build/lib