diff --git a/dev-libs/gmp/gmp-6.1.2.ebuild b/dev-libs/gmp/gmp-6.1.2.ebuild
index 68a429d051fb9..f7a77a47e8ca2 100644
--- a/dev-libs/gmp/gmp-6.1.2.ebuild
+++ b/dev-libs/gmp/gmp-6.1.2.ebuild
@@ -19,7 +19,7 @@ LICENSE="|| ( LGPL-3+ GPL-2+ )"
 # The subslot reflects the C & C++ SONAMEs.
 SLOT="0/10.4"
 KEYWORDS="alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~ppc-aix ~x64-cygwin ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~m68k-mint ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="+asm doc cxx pgo static-libs"
+IUSE="+asm doc cxx static-libs"
 
 DEPEND="sys-devel/m4
 	app-arch/xz-utils"
@@ -87,17 +87,6 @@ multilib_src_configure() {
 
 multilib_src_compile() {
 	emake
-
-	if use pgo ; then
-		emake -j1 -C tune tuneup
-		ebegin "Trying to generate tuned data"
-		./tune/tuneup | tee gmp.mparam.h.new
-		if eend $(( 0 + ${PIPESTATUS[*]/#/+} )) ; then
-			mv gmp.mparam.h.new gmp-mparam.h || die
-			emake clean
-			emake
-		fi
-	fi
 }
 
 multilib_src_test() {
diff --git a/dev-libs/gmp/metadata.xml b/dev-libs/gmp/metadata.xml
index 02ee38fa71f9d..5fa58802c03b6 100644
--- a/dev-libs/gmp/metadata.xml
+++ b/dev-libs/gmp/metadata.xml
@@ -7,6 +7,5 @@
 </maintainer>
 <use>
 	<flag name="asm">Enable use of hand optimized assembly routines (faster execution)</flag>
-	<flag name="pgo">After building gmp, run some tests against to produce faster libraries -- this option will double the compile time</flag>
 </use>
 </pkgmetadata>