@@ -16,8 +16,6 @@
 
 package com.google.cloud.bigquery;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.google.common.base.Function;
 import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
@@ -82,8 +80,8 @@ public ConnectionProperty build() {
   }
 
   private ConnectionProperty(Builder builder) {
-    this.key = checkNotNull(builder.key, "Required key is null or empty");
-    this.value = checkNotNull(builder.value, "Required value is null or empty");
+    this.key = builder.key;
+    this.value = builder.value;
   }
 
   /** Return the key of property. */
 
@@ -16,9 +16,6 @@
 
 package com.google.cloud.bigquery;
 
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Strings.isNullOrEmpty;
-
 import com.google.api.services.bigquery.model.DatasetReference;
 import io.opentelemetry.api.common.Attributes;
 import java.io.Serializable;
@@ -43,7 +40,6 @@ public String getDataset() {
   }
 
   private DatasetId(String project, String dataset) {
-    checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");
     this.project = project;
     this.dataset = dataset;
   }
 
@@ -62,8 +62,6 @@ public String getModel() {
   }
 
   private ModelId(String project, String dataset, String model) {
-    checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");
-    checkArgument(!isNullOrEmpty(model), "Provided model is null or empty");
     this.project = project;
     this.dataset = dataset;
     this.model = model;
 
@@ -63,8 +63,6 @@ public String getRoutine() {
   }
 
   private RoutineId(String project, String dataset, String routine) {
-    checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");
-    checkArgument(!isNullOrEmpty(routine), "Provided routine is null or empty");
     this.project = project;
     this.dataset = dataset;
     this.routine = routine;
 
@@ -71,8 +71,6 @@ public String getIAMResourceName() {
   }
 
   private TableId(String project, String dataset, String table) {
-    checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");
-    checkArgument(!isNullOrEmpty(table), "Provided table is null or empty");
     this.project = project;
     this.dataset = dataset;
     this.table = table;
Original file line number	Diff line number	Diff line change
`@@ -16,9 +16,6 @@`
`16`	`16`
`17`	`17`	`package com.google.cloud.bigquery;`
`18`	`18`
`19`		`-import static com.google.common.base.Preconditions.checkArgument;`
`20`		`-import static com.google.common.base.Strings.isNullOrEmpty;`
`21`		`-`
`22`	`19`	`import com.google.api.services.bigquery.model.DatasetReference;`
`23`	`20`	`import io.opentelemetry.api.common.Attributes;`
`24`	`21`	`import java.io.Serializable;`
`@@ -43,7 +40,6 @@ public String getDataset() {`
`43`	`40`	`}`
`44`	`41`
`45`	`42`	`private DatasetId(String project, String dataset) {`
`46`		`- checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");`
`47`	`43`	`this.project = project;`
`48`	`44`	`this.dataset = dataset;`
`49`	`45`	`}`
Original file line number	Diff line number	Diff line change
`@@ -62,8 +62,6 @@ public String getModel() {`
`62`	`62`	`}`
`63`	`63`
`64`	`64`	`private ModelId(String project, String dataset, String model) {`
`65`		`- checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");`
`66`		`- checkArgument(!isNullOrEmpty(model), "Provided model is null or empty");`
`67`	`65`	`this.project = project;`
`68`	`66`	`this.dataset = dataset;`
`69`	`67`	`this.model = model;`
Original file line number	Diff line number	Diff line change
`@@ -63,8 +63,6 @@ public String getRoutine() {`
`63`	`63`	`}`
`64`	`64`
`65`	`65`	`private RoutineId(String project, String dataset, String routine) {`
`66`		`- checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");`
`67`		`- checkArgument(!isNullOrEmpty(routine), "Provided routine is null or empty");`
`68`	`66`	`this.project = project;`
`69`	`67`	`this.dataset = dataset;`
`70`	`68`	`this.routine = routine;`
Original file line number	Diff line number	Diff line change
`@@ -71,8 +71,6 @@ public String getIAMResourceName() {`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`private TableId(String project, String dataset, String table) {`
`74`		`- checkArgument(!isNullOrEmpty(dataset), "Provided dataset is null or empty");`
`75`		`- checkArgument(!isNullOrEmpty(table), "Provided table is null or empty");`
`76`	`74`	`this.project = project;`
`77`	`75`	`this.dataset = dataset;`
`78`	`76`	`this.table = table;`