Index: apache-tomcat-9.0.115-src/build.xml
===================================================================
--- apache-tomcat-9.0.115-src.orig/build.xml
+++ apache-tomcat-9.0.115-src/build.xml
@@ -961,7 +961,6 @@
     <javac srcdir="java" destdir="${tomcat.classes}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeAntRuntime="true" >
       <!-- Uncomment this to show unchecked warnings:
@@ -1014,7 +1013,6 @@
     <javac srcdir="java" destdir="${tomcat.classes}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeAntRuntime="true" >
       <!-- Uncomment this to show unchecked warnings:
@@ -1027,7 +1025,6 @@
     <javac srcdir="java" destdir="${tomcat.classes}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${release.java.version}"
            encoding="ISO-8859-1"
            includeAntRuntime="true"
            if:set="has-ffm" >
@@ -1566,7 +1563,6 @@
     <javac   srcdir="webapps/examples/WEB-INF/classes"
              destdir="${tomcat.build}/webapps/examples/WEB-INF/classes"
              debug="${compile.debug}" deprecation="${compile.deprecation}"
-             release="${compile.release}"
              classpath="${tomcat.classes}"
              encoding="ISO-8859-1"
              includeantruntime="false">
@@ -1795,7 +1791,6 @@
            destdir="${xreflect.directory}/classes"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeAntRuntime="true" >
       <compilerarg value="-XDignore.symbol.file"/>
@@ -1881,7 +1876,6 @@
     <javac srcdir="test" destdir="${test.classes}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeantruntime="true">
       <classpath refid="tomcat.test.classpath" />
@@ -2358,7 +2352,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp"
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
@@ -2384,7 +2378,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp"
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
@@ -2409,7 +2403,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp"
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
@@ -2434,7 +2428,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp"
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
@@ -2459,7 +2453,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp"
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
@@ -2484,7 +2478,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp "
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
       failonwarning="${javadoc.failonwarning}">
@@ -2507,7 +2501,7 @@ Apache Tomcat ${version} native binaries
       encoding="UTF-8"
       docencoding="UTF-8"
       charset="UTF-8"
-      additionalparam="-breakiterator -notimestamp -html5"
+      additionalparam="-breakiterator -notimestamp "
       source="${compile.release}"
       maxmemory="512m"
       failonerror="${javadoc.failonerror}"
Index: apache-tomcat-9.0.115-src/modules/jdbc-pool/build.xml
===================================================================
--- apache-tomcat-9.0.115-src.orig/modules/jdbc-pool/build.xml
+++ apache-tomcat-9.0.115-src/modules/jdbc-pool/build.xml
@@ -163,7 +163,6 @@
     <javac srcdir="${basedir}/src/main/java" destdir="${tomcat.classes}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeantruntime="false">
       <classpath refid="tomcat.jdbc.classpath"/>
@@ -201,7 +200,6 @@
     <javac srcdir="${basedir}/src/test/java" destdir="${tomcat.testclasses}"
            debug="${compile.debug}"
            deprecation="${compile.deprecation}"
-           release="${compile.release}"
            encoding="ISO-8859-1"
            includeantruntime="false">
       <classpath refid="tomcat.jdbc.classpath"/>