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
@@ -150,8 +150,7 @@
     </javadoc>
     <!-- connection pool API  file-->
     <jar jarfile="${tomcat-jdbc-api.jar}"
-         update="true"
-         modificationtime="${tstamp.file}">
+    update="true" >
       <fileset dir="${tomcat.api}"/>
       <fileset refid="license.notice"/>
     </jar>
@@ -173,8 +172,7 @@
     <!-- connection pool JAR File -->
     <jar jarfile="${tomcat-jdbc.jar}"
          update="true"
-         manifest="${tomcat.pool}/resources/MANIFEST.MF"
-         modificationtime="${tstamp.file}">
+    manifest="${tomcat.pool}/resources/MANIFEST.MF" >
       <fileset dir="${tomcat.classes}">
         <include name="org/apache/tomcat/jdbc/**" />
       </fileset>
@@ -186,8 +184,7 @@
   <target name="build-src">
     <!-- connection pool source file-->
     <jar jarfile="${tomcat-jdbc-src.jar}"
-         update="true"
-         modificationtime="${tstamp.file}">
+    update="true" >
       <fileset dir="${basedir}/src/main/java">
         <include name="org/apache/tomcat/jdbc/**" />
       </fileset>
@@ -210,8 +207,7 @@
     </javac>
     <!-- connection pool JAR File -->
     <jar jarfile="${tomcat-jdbc-test.jar}"
-         update="true"
-         modificationtime="${tstamp.file}">
+    update="true" >
       <fileset dir="${tomcat.testclasses}">
         <include name="org/apache/tomcat/jdbc/**" />
       </fileset>
@@ -221,8 +217,7 @@
       <fileset refid="license.notice"/>
     </jar>
     <jar jarfile="${tomcat-jdbc-test-src.jar}"
-         update="true"
-         modificationtime="${tstamp.file}">
+    update="true" >
       <fileset dir="${basedir}/src/test/java">
         <include name="org/apache/tomcat/jdbc/**" />
       </fileset>
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
@@ -1254,8 +1254,7 @@
 
     <!-- i18n JARs -->
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-cs.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest">
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_cs.properties" />
       </fileset>
@@ -1265,8 +1264,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-de.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_de.properties" />
       </fileset>
@@ -1276,8 +1274,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-es.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest">
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_es.properties" />
       </fileset>
@@ -1287,8 +1284,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-fr.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_fr.properties" />
       </fileset>
@@ -1298,8 +1294,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-ja.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest">
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_ja.properties" />
       </fileset>
@@ -1309,8 +1304,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-ko.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_ko.properties" />
       </fileset>
@@ -1320,8 +1314,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-pt-BR.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_pt_BR.properties" />
       </fileset>
@@ -1331,8 +1324,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-ru.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_ru.properties" />
       </fileset>
@@ -1342,8 +1334,7 @@
         fullpath="META-INF/LICENSE" />
     </jar>
     <jar jarfile="${tomcat.build}/lib/tomcat-i18n-zh-CN.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.i18n}">
         <include name="**/LocalStrings_zh_CN.properties" />
       </fileset>
@@ -1834,7 +1825,6 @@
     </fixcrlf>
 
     <zip destfile="${tomcat.embed}/${final.name}-embed.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <fileset dir="${tomcat.embed}">
         <include name="**" />
@@ -2554,8 +2544,7 @@ Apache Tomcat ${version} native binaries
 
     <!-- Digester and dependencies -->
     <jar jarfile="${tomcat.deployer}/lib/catalina-deployer.jar"
-         manifest="${tomcat.manifests}/default.manifest"
-         modificationtime="${tstamp.iso.release}">
+    manifest="${tomcat.manifests}/default.manifest" >
       <fileset dir="${tomcat.classes}">
         <include name="org/apache/catalina/startup/DigesterFactory.class" />
         <include name="org/apache/catalina/util/SchemaResolver.class" />
@@ -3154,7 +3143,6 @@ Configured for ${release.asfusername} to
     </fixcrlf>
 
     <zip zipfile="${tomcat.release}/v${version}/bin/${final.name}.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset file="${tomcat.dist}" fullpath="${final.name}"/>
       <zipfileset dir="${tomcat.dist}" prefix="${final.name}">
@@ -3191,7 +3179,6 @@ Configured for ${release.asfusername} to
 
     <!-- Windows x86 package -->
     <zip zipfile="${tomcat.release}/v${version}/bin/${final.name}-windows-x86.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset file="${tomcat.dist}" fullpath="${final.name}"/>
       <zipfileset dir="${tomcat.dist}" prefix="${final.name}">
@@ -3219,7 +3206,6 @@ Configured for ${release.asfusername} to
 
     <!-- Windows x64 package -->
     <zip zipfile="${tomcat.release}/v${version}/bin/${final.name}-windows-x64.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset file="${tomcat.dist}" fullpath="${final.name}"/>
       <zipfileset dir="${tomcat.dist}" prefix="${final.name}">
@@ -3263,7 +3249,6 @@ Configured for ${release.asfusername} to
     </fixcrlf>
 
     <zip zipfile="${tomcat.release}/v${version}/bin/${final.name}-deployer.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset file="${tomcat.deployer}" fullpath="${final.name}-deployer"/>
       <zipfileset dir="${tomcat.deployer}" prefix="${final.name}-deployer" includes="**" />
@@ -3417,7 +3402,6 @@ Configured for ${release.asfusername} to
     </fixcrlf>
 
     <zip zipfile="${tomcat.release}/v${version}/src/${final-src.name}.zip"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset file="${tomcat.dist}/src" fullpath="${final-src.name}" />
       <zipfileset dir="${tomcat.dist}/src" prefix="${final-src.name}" />
@@ -4301,9 +4285,8 @@ Read the Building page on the Apache Tom
       </uptodate>
       <sequential unless:true="${jar.uptodate}">
         <jar jarfile="@{jarfile}"
-             manifest="@{manifest}"
-             modificationtime="${tstamp.iso.release}">
-          <fileset dir="@{filesDir}">
+        manifest="@{manifest}">
+        <fileset dir="@{filesDir}">
             <patternset refid="@{filesId}"/>
             <!-- Javadoc exclusions -->
             <exclude name="**/package.html" />
@@ -4333,7 +4316,6 @@ Read the Building page on the Apache Tom
     <fixcrlf srcdir="${tomcat.graal}/${graalPrefix}" eol="lf"
         encoding="ISO-8859-1" fixlast="false" />
     <zip destfile="${jarfile}" update="true" filesonly="true"
-         modificationtime="${tstamp.iso.release}"
          encoding="UTF8">
       <zipfileset dir="${tomcat.graal}/${graalPrefix}" prefix="META-INF/native-image/${graalPrefix}" includes="*.*"/>
     </zip>