diff --git a/java-1_8_0-openjdk.spec b/java-1_8_0-openjdk.spec
index af81ba4..c4467cf 100644
--- a/java-1_8_0-openjdk.spec
+++ b/java-1_8_0-openjdk.spec
@@ -480,9 +480,6 @@ sh autogen.sh
 %ifnarch %{arm} %{aarch64}
         --with-parallel-jobs="${NUM_PROC}" \
 %endif
-%ifarch s390
-        --with-boot-jdk-jvmargs="-Xms256M -Xmx768M" \
-%endif
 %if %{with zero}
         --enable-zero \
 %endif