diff --git a/google-cloud-clients/google-cloud-spanner/pom.xml b/google-cloud-clients/google-cloud-spanner/pom.xml
index 7def5e5b8c20..be31fef4817d 100644
--- a/google-cloud-clients/google-cloud-spanner/pom.xml
+++ b/google-cloud-clients/google-cloud-spanner/pom.xml
@@ -81,18 +81,10 @@
     </plugins>
   </build>
   <dependencies>
-    <dependency>
-      <groupId>${project.groupId}</groupId>
-      <artifactId>google-cloud-core</artifactId>
-    </dependency>
     <dependency>
       <groupId>${project.groupId}</groupId>
       <artifactId>google-cloud-core-grpc</artifactId>
     </dependency>
-    <dependency>
-      <groupId>com.google.api</groupId>
-      <artifactId>gax-grpc</artifactId>
-    </dependency>
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-spanner-v1</artifactId>
@@ -117,26 +109,6 @@
       <groupId>com.google.api.grpc</groupId>
       <artifactId>grpc-google-cloud-spanner-admin-instance-v1</artifactId>
     </dependency>
-    <dependency>
-      <groupId>com.google.api.grpc</groupId>
-      <artifactId>grpc-google-common-protos</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-netty-shaded</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-auth</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>io.grpc</groupId>
-      <artifactId>grpc-stub</artifactId>
-    </dependency>
-    <dependency>
-      <groupId>com.google.code.findbugs</groupId>
-      <artifactId>jsr305</artifactId>
-    </dependency>
 
     <!-- Test dependencies -->
     <dependency>
@@ -161,11 +133,6 @@
         </exclusion>
       </exclusions>
     </dependency>
-    <dependency>
-      <groupId>org.objenesis</groupId>
-      <artifactId>objenesis</artifactId>
-      <scope>test</scope>
-    </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava-testlib</artifactId>
@@ -178,10 +145,6 @@
       <classifier>testlib</classifier>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>io.opencensus</groupId>
-      <artifactId>opencensus-api</artifactId>
-    </dependency>
     <dependency>
       <groupId>io.opencensus</groupId>
       <artifactId>opencensus-contrib-grpc-util</artifactId>