diff --git a/eclipse.spec b/eclipse.spec
index 73a7c09..14a6011 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -12,9 +12,9 @@ Epoch:                  1
 %global eclipse_minor   5
 %global eclipse_micro   0
 %global eb_commit       8d16bd89056f3917619b272873dfd7bc15df8919
-%global eclipse_tag     I20150512-2100
+%global eclipse_tag     I20150517-2000
 %global eclipse_version %{eclipse_major}.%{eclipse_minor}.%{eclipse_micro}
-%global _jetty_version  9.2.9
+%global _jetty_version  9.3.0
 
 %ifarch %{ix86}
     %define eclipse_arch x86
@@ -37,7 +37,7 @@ Epoch:                  1
 Summary:        An open, extensible IDE
 Name:           %{?scl_prefix}eclipse
 Version:        %{eclipse_version}
-Release:        0.17.git201505122100%{?dist}
+Release:        0.18.git201505172000%{?dist}
 License:        EPL
 URL:            http://www.eclipse.org/
 
@@ -515,7 +515,6 @@ ln -s %{_javadir}/osgi-annotation/osgi.annotation.jar rt.equinox.bundles/bundles
 #This is the lowest value where the build succeeds. 512m is not enough.
 export MAVEN_OPTS="-Xmx1000m -XX:MaxPermSize=256m -XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState ${MAVEN_OPTS}"
 export JAVA_HOME=%{java_home}
-export GTK_VERSION=3.0
 
 %mvn_build -j -f -- -DforceContextQualifier=$(date +v%Y%m%d-%H00) \
 %if %{bootstrap}
@@ -1029,6 +1028,10 @@ fi
 %{_libdir}/%{pkg_name}/plugins/org.eclipse.osgi.compatibility.state_*
 
 %changelog
+* Tue May 19 2015 Alexander Kurtakov <akurtako@redhat.com> 1:4.5.0-0.18.git201505172000
+- Update to latest I-build.
+- Drop unneeded env variable export.
+
 * Wed May 13 2015 Mat Booth <mat.booth@redhat.com> - 1:4.5.0-0.17.git201505122100
 - Rebuild for ECF 3.10.0
 - Update to latest I-build
diff --git a/get-eclipse.sh b/get-eclipse.sh
index eaa03d0..5142d64 100755
--- a/get-eclipse.sh
+++ b/get-eclipse.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 AGGREGATOR_PATH=git://git.eclipse.org/gitroot/platform/eclipse.platform.releng.aggregator.git
-TAG=I20150512-2100
+TAG=I20150517-2000
 
 rm -rf R4_platform-aggregator-$TAG
 rm -rf R4_platform-aggregator-$TAG.tar.xz
diff --git a/sources b/sources
index 43f1112..ff25dc1 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-91d522e4107194732ba21291f4aafcb7  R4_platform-aggregator-I20150512-2100.tar.xz
 722db3df70580f773ec46d839d18f7ea  org.eclipse.linuxtools.eclipse-build-8d16bd89056f3917619b272873dfd7bc15df8919.tar.bz2
+2caae409053e17dd356ea39cb5581fe8  R4_platform-aggregator-I20150517-2000.tar.xz