diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseId.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseId.java
index b05eb187b1ab..d790b0c01067 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseId.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/DatabaseId.java
@@ -18,7 +18,6 @@
 
 import com.google.api.pathtemplate.PathTemplate;
 import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
 import java.util.Map;
 import java.util.Objects;
 
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceConfigId.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceConfigId.java
index 38f432381ed2..ef71bd158fcb 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceConfigId.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceConfigId.java
@@ -18,7 +18,6 @@
 
 import com.google.api.pathtemplate.PathTemplate;
 import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
 import java.util.Map;
 import java.util.Objects;
 
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceId.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceId.java
index c157c4b6680b..bd6ed4a0b569 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceId.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/InstanceId.java
@@ -19,7 +19,6 @@
 import com.google.api.pathtemplate.PathTemplate;
 import com.google.common.base.Objects;
 import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
 import java.util.Map;
 
 /** Represents the resource name of a Cloud Spanner Instance. */