diff --git a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
index 51137d860a0f39c8ee1066f900caeacfb8ca6a51..d749ab0cd0a8f4e89b732a56f9b59273704efede 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Gmm.java
@@ -250,12 +250,12 @@ public enum Gmm {
       SadighEtAl_1997.COEFFS_BC_HI,
       SadighEtAl_1997.CONSTRAINTS),
 
-  /** @see Grazier_2018 */
-  GRAIZER_2018(
-      Graizer_2018.class,
-      Graizer_2018.NAME,
-      Graizer_2018.COEFFS,
-      Graizer_2018.CONSTRAINTS),
+  // /** @see Grazier_2018 */
+  // GRAIZER_2018(
+  // Graizer_2018.class,
+  // Graizer_2018.NAME,
+  // Graizer_2018.COEFFS,
+  // Graizer_2018.CONSTRAINTS),
 
   /* Subduction Interface and Slab WUS 2008 2014 2018, AK 2007 */
 
diff --git a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Graizer_2018.java b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Graizer_2018.java
index cdf60284aabeaecfd200d235494afd7041666c4c..481c1b371100ded629b133036c049f85683d5044 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/gmm/Graizer_2018.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/gmm/Graizer_2018.java
@@ -21,6 +21,7 @@ import static java.lang.Math.sqrt;
 
 import java.util.Map;
 
+import com.google.common.annotations.Beta;
 import com.google.common.collect.Range;
 
 import gov.usgs.earthquake.nshmp.Faults;
@@ -28,10 +29,8 @@ import gov.usgs.earthquake.nshmp.gmm.GmmInput.Constraints;
 import gov.usgs.earthquake.nshmp.tree.LogicTree;
 
 /**
- *
  * TODO:
  *
- *
  * * is Q_SA, for G3, defined by Eq. 8?
  *
  * * coefficients c21 and c22 are not defined in G18 or GK16 papers.
@@ -44,7 +43,7 @@ import gov.usgs.earthquake.nshmp.tree.LogicTree;
  * monotonic), so use the set of 16 periods in Table 1 and Matlab
  *
  * * Attempt to compute values in Table S1 and/or S2 using the manual regression
- * code blocks in Matlab
+ * code blocks in Matlab (so far, the matlab code does not reproduce the tables)
  *
  *
  * Implementation of the GK17 ground motion model for shallow crustal
@@ -72,8 +71,9 @@ import gov.usgs.earthquake.nshmp.tree.LogicTree;
  * <p><b>Component:</b> RotD50 average horizontal components
  *
  * @author U.S. Geological Survey
- * @see Gmm#GK_17
+ * @see Gmm#GRAIZER_2018
  */
+@Beta
 public final class Graizer_2018 implements GroundMotionModel {
 
   public static void main(String[] args) {
diff --git a/src/test/java/gov/usgs/earthquake/nshmp/gmm/Graizer18Test.java b/src/test/java/gov/usgs/earthquake/nshmp/gmm/Graizer18Test.java
index c218d3d231f0749c44185d2bf6b09f8e05df699e..30285325936c6e145fe5897a45e7d5d6ae8828d8 100644
--- a/src/test/java/gov/usgs/earthquake/nshmp/gmm/Graizer18Test.java
+++ b/src/test/java/gov/usgs/earthquake/nshmp/gmm/Graizer18Test.java
@@ -1,39 +1,39 @@
-package gov.usgs.earthquake.nshmp.gmm;
-
-import static gov.usgs.earthquake.nshmp.gmm.Gmm.GRAIZER_2018;
-
-import java.io.IOException;
-import java.util.EnumSet;
-import java.util.Set;
-import java.util.stream.Stream;
-
-import org.junit.jupiter.api.extension.ExtensionContext;
-import org.junit.jupiter.params.ParameterizedTest;
-import org.junit.jupiter.params.provider.Arguments;
-import org.junit.jupiter.params.provider.ArgumentsProvider;
-import org.junit.jupiter.params.provider.ArgumentsSource;
-
-public class Graizer18Test implements ArgumentsProvider {
-
-  private static String GMM_INPUTS = "/gmm/graizer_2018_inputs.csv";
-  private static String GMM_RESULTS = "/gmm/graizer_2018_results.csv";
-
-  @ParameterizedTest(name = "({index}) {0} {2} {1}")
-  @ArgumentsSource(Graizer18Test.class)
-  void test(int index, Gmm gmm, Imt imt, double exMedian, double exSigma, String inputs) {
-    GmmTest.test(index, gmm, imt, exMedian, exSigma, inputs);
-  }
-
-  @Override
-  public Stream<? extends Arguments> provideArguments(ExtensionContext context) throws Exception {
-    return GmmTest.loadResults(GMM_RESULTS, GMM_INPUTS);
-  }
-
-  /* Result generation sets */
-  private static Set<Gmm> gmms = EnumSet.of(GRAIZER_2018);
-
-  public static void main(String[] args) throws IOException {
-    GmmTest.generateResults(gmms, Imt.mprsImts(), GMM_INPUTS, GMM_RESULTS);
-  }
-
-}
+// package gov.usgs.earthquake.nshmp.gmm;
+//
+// import static gov.usgs.earthquake.nshmp.gmm.Gmm.GRAIZER_2018;
+//
+// import java.io.IOException;
+// import java.util.EnumSet;
+// import java.util.Set;
+// import java.util.stream.Stream;
+//
+// import org.junit.jupiter.api.extension.ExtensionContext;
+// import org.junit.jupiter.params.provider.Arguments;
+// import org.junit.jupiter.params.provider.ArgumentsProvider;
+//
+// public class Graizer18Test implements ArgumentsProvider {
+//
+// private static String GMM_INPUTS = "/gmm/graizer_2018_inputs.csv";
+// private static String GMM_RESULTS = "/gmm/graizer_2018_results.csv";
+//
+// // @ParameterizedTest(name = "({index}) {0} {2} {1}")
+// // @ArgumentsSource(Graizer18Test.class)
+// // void test(int index, Gmm gmm, Imt imt, double exMedian, double exSigma,
+// // String inputs) {
+// // GmmTest.test(index, gmm, imt, exMedian, exSigma, inputs);
+// // }
+//
+// @Override
+// public Stream<? extends Arguments> provideArguments(ExtensionContext context)
+// throws Exception {
+// return GmmTest.loadResults(GMM_RESULTS, GMM_INPUTS);
+// }
+//
+// /* Result generation sets */
+// private static Set<Gmm> gmms = EnumSet.of(GRAIZER_2018);
+//
+// public static void main(String[] args) throws IOException {
+// GmmTest.generateResults(gmms, Imt.mprsImts(), GMM_INPUTS, GMM_RESULTS);
+// }
+//
+// }