diff --git a/.github/workflows/ci-hadoop2.yml b/.github/workflows/ci-hadoop2.yml
deleted file mode 100644
index 2a7a315952..0000000000
--- a/.github/workflows/ci-hadoop2.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: CI Hadoop 2
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        codes: [ 'uncompressed,brotli', 'gzip,snappy' ]
-    name: Build Parquet with JDK ${{ matrix.java }} and ${{ matrix.codes }}
-
-    steps:
-      - uses: actions/checkout@master
-      - name: Set up JDK8
-        uses: actions/setup-java@v4
-        with:
-          java-version: 8
-          distribution: temurin
-      - name: before_install
-        env:
-          CI_TARGET_BRANCH: $GITHUB_HEAD_REF
-        run: |
-          bash dev/ci-before_install.sh
-      - name: install
-        run: |
-          EXTRA_JAVA_TEST_ARGS=$(./mvnw help:evaluate -Dexpression=extraJavaTestArgs -q -DforceStdout)
-          export MAVEN_OPTS="$MAVEN_OPTS $EXTRA_JAVA_TEST_ARGS"
-          ./mvnw install --batch-mode -P hadoop2 -DskipTests=true -Dmaven.javadoc.skip=true -Dsource.skip=true -Djava.version=1.8
-      - name: verify
-        env:
-          TEST_CODECS: ${{ matrix.codes }}
-          JAVA_VERSION: ${{ matrix.java }}
-        run: |
-          EXTRA_JAVA_TEST_ARGS=$(./mvnw help:evaluate -Dexpression=extraJavaTestArgs -q -DforceStdout)
-          export MAVEN_OPTS="$MAVEN_OPTS $EXTRA_JAVA_TEST_ARGS"
-          ./mvnw verify --batch-mode -P hadoop2 javadoc:javadoc
diff --git a/pom.xml b/pom.xml
index b6688ee808..bb823670bf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,8 @@
     <javax.annotation.version>1.3.2</javax.annotation.version>
     <spotless.version>2.30.0</spotless.version>
     <shade.prefix>shaded.parquet</shade.prefix>
-    <hadoop.version>3.3.6</hadoop.version>
+    <!-- Guarantees no newer classes/methods/constants are used by parquet. -->
+    <hadoop.version>3.3.0</hadoop.version>
     <parquet.format.version>2.10.0</parquet.format.version>
     <previous.version>1.13.1</previous.version>
     <thrift.executable>thrift</thrift.executable>
@@ -635,13 +636,6 @@
       </properties>
     </profile>
 
-    <profile>
-      <id>hadoop2</id>
-      <properties>
-        <hadoop.version>2.7.3</hadoop.version>
-      </properties>
-    </profile>
-
     <!-- Profile for tests to have more output -->
     <profile>
       <id>verbose-test</id>