diff --git a/sci-visualization/gnuplot/gnuplot-5.0.1.recipe b/sci-visualization/gnuplot/gnuplot-5.0.1.recipe
index d16fd5796..9d7404c22 100644
--- a/sci-visualization/gnuplot/gnuplot-5.0.1.recipe
+++ b/sci-visualization/gnuplot/gnuplot-5.0.1.recipe
@@ -23,13 +23,11 @@ REQUIRES="
 	lib:libfreetype$secondaryArchSuffix
 	lib:libgd$secondaryArchSuffix
 	lib:libGL$secondaryArchSuffix
-	lib:libiconv$secondaryArchSuffix
 	lib:libjpeg$secondaryArchSuffix
 	lib:libncurses$secondaryArchSuffix
 	lib:libpng16$secondaryArchSuffix
 	lib:libqt5$secondaryArchSuffix
 	lib:libreadline$secondaryArchSuffix
-	lib:libtiff$secondaryArchSuffix
 	lib:libvpx$secondaryArchSuffix
 	lib:libz$secondaryArchSuffix
 	"
@@ -40,13 +38,10 @@ BUILD_REQUIRES="
 #	devel:libcerf$secondaryArchSuffix
 	devel:libGL$secondaryArchSuffix
 	devel:libgd$secondaryArchSuffix
-	devel:libiconv$secondaryArchSuffix
 	devel:libjpeg$secondaryArchSuffix
 #	devel:libpango_1.0$secondaryArchSuffix
-	devel:libpng16$secondaryArchSuffix
 	devel:libqt5$secondaryArchSuffix
 	devel:libreadline$secondaryArchSuffix
-	devel:libtiff$secondaryArchSuffix
 	devel:libvpx$secondaryArchSuffix
 	devel:libz$secondaryArchSuffix
 	"