diff --git a/google-cloud-storage/pom.xml b/google-cloud-storage/pom.xml
index b2fd42b33..9dfd8d8a5 100644
--- a/google-cloud-storage/pom.xml
+++ b/google-cloud-storage/pom.xml
@@ -208,5 +208,11 @@
         </plugin>
       </plugins>
     </pluginManagement>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>flatten-maven-plugin</artifactId>
+      </plugin>
+    </plugins>
   </build>
 </project>
diff --git a/pom.xml b/pom.xml
index 9f50e1aba..764ac46a3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,132 +63,23 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <github.global.server>github</github.global.server>
     <site.installationModule>google-cloud-storage-parent</site.installationModule>
-    <google.core.version>1.93.4</google.core.version>
-    <google.api-common.version>1.9.0</google.api-common.version>
-    <junit.version>4.13</junit.version>
-    <threeten.version>1.4.4</threeten.version>
-    <javax.annotations.version>1.3.2</javax.annotations.version>
-    <animal-sniffer.version>1.18</animal-sniffer.version>
-    <opencensus.version>0.24.0</opencensus.version>
   </properties>
 
   <dependencyManagement>
     <dependencies>
-      <dependency>
-        <groupId>com.google.guava</groupId>
-        <artifactId>guava</artifactId>
-        <version>29.0-android</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.http-client</groupId>
-        <artifactId>google-http-client-bom</artifactId>
-        <version>1.35.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.code.gson</groupId>
-        <artifactId>gson</artifactId>
-        <version>2.8.6</version>
-      </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
-        <artifactId>google-cloud-core-bom</artifactId>
-        <version>${google.core.version}</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.auth</groupId>
-        <artifactId>google-auth-library-bom</artifactId>
-        <version>0.20.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>io.grpc</groupId>
-        <artifactId>grpc-bom</artifactId>
-        <version>1.29.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api</groupId>
-        <artifactId>gax-bom</artifactId>
-        <version>1.56.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.protobuf</groupId>
-        <artifactId>protobuf-bom</artifactId>
-        <version>3.11.4</version>
+        <artifactId>google-cloud-shared-dependencies</artifactId>
+        <version>0.4.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+
       <dependency>
         <groupId>com.google.apis</groupId>
         <artifactId>google-api-services-storage</artifactId>
         <version>v1-rev20200410-1.30.9</version>
       </dependency>
-      <dependency>
-        <groupId>org.checkerframework</groupId>
-        <artifactId>checker-compat-qual</artifactId>
-        <version>2.5.5</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.code.findbugs</groupId>
-        <artifactId>jsr305</artifactId>
-        <version>3.0.2</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api</groupId>
-        <artifactId>api-common</artifactId>
-        <version>${google.api-common.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>proto-google-iam-v1</artifactId>
-        <version>0.13.0</version>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>proto-google-common-protos</artifactId>
-        <version>1.18.0</version>
-      </dependency>
-      <dependency>
-        <groupId>org.threeten</groupId>
-        <artifactId>threetenbp</artifactId>
-        <version>${threeten.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>javax.annotation</groupId>
-        <artifactId>javax.annotation-api</artifactId>
-        <version>${javax.annotations.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>animal-sniffer-annotations</artifactId>
-        <version>${animal-sniffer.version}</version>
-      </dependency>
-      <dependency>
-        <groupId>io.opencensus</groupId>
-        <artifactId>opencensus-api</artifactId>
-        <version>${opencensus.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>junit</groupId>
-        <artifactId>junit</artifactId>
-        <version>${junit.version}</version>
-        <scope>test</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.truth</groupId>
-        <artifactId>truth</artifactId>
-        <version>1.0.1</version>
-        <scope>test</scope>
-      </dependency>
       <dependency>
         <groupId>org.easymock</groupId>
         <artifactId>easymock</artifactId>
@@ -207,19 +98,6 @@
         <version>2.6</version>
         <scope>test</scope>
       </dependency>
-      <dependency>
-        <groupId>com.google.cloud</groupId>
-        <artifactId>google-cloud-core</artifactId>
-        <version>${google.core.version}</version>
-        <type>test-jar</type>
-        <scope>test</scope>
-      </dependency>
-      <dependency>
-        <groupId>com.google.api.grpc</groupId>
-        <artifactId>grpc-google-iam-v1</artifactId>
-        <version>0.13.0</version>
-        <scope>test</scope>
-      </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-conformance-tests</artifactId>