diff --git a/BUILD b/BUILD
index 2c8ac74..b5d591b 100644
--- a/BUILD
+++ b/BUILD
@@ -42,6 +42,5 @@
     visibility = ["//visibility:public"],
     exports = PLUGIN_DEPS + PLUGIN_TEST_DEPS + [
         ":oauth__plugin",
-        "@mockito//jar",
     ],
 )
diff --git a/WORKSPACE b/WORKSPACE
index d8a674b..4e5f19d 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "fff6f20bb2eceaf872a8acf8ad51471c25a82d38",
+    commit = "15eae2ee5cd524a204bd62c3d59bfd0ce86916ec",
     #local_path = "/home/<user>/projects/bazlets",
 )
 
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 3d4551a..4615c8d 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -20,32 +20,6 @@
             "@jackson-annotations//jar",
         ],
     )
-    maven_jar(
-        name = "mockito",
-        artifact = "org.mockito:mockito-core:2.28.2",
-        sha1 = "91110215a8cb9b77a46e045ee758f77d79167cc0",
-        deps = [
-            "@byte-buddy//jar",
-            "@byte-buddy-agent//jar",
-            "@objenesis//jar",
-        ],
-    )
-    BYTE_BUDDY_VERSION = "1.9.10"
-    maven_jar(
-        name = "byte-buddy",
-        artifact = "net.bytebuddy:byte-buddy:" + BYTE_BUDDY_VERSION,
-        sha1 = "211a2b4d3df1eeef2a6cacf78d74a1f725e7a840",
-    )
-    maven_jar(
-        name = "byte-buddy-agent",
-        artifact = "net.bytebuddy:byte-buddy-agent:" + BYTE_BUDDY_VERSION,
-        sha1 = "9674aba5ee793e54b864952b001166848da0f26b",
-    )
-    maven_jar(
-        name = "objenesis",
-        artifact = "org.objenesis:objenesis:2.6",
-        sha1 = "639033469776fd37c08358c6b92a4761feb2af4b",
-    )
     if not omit_commons_codec:
         maven_jar(
             name = "commons-codec",
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/AirVantageOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/AirVantageOAuthService.java
index 1fadd21..0af9316 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/AirVantageOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/AirVantageOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 import static javax.servlet.http.HttpServletResponse.SC_OK;
 import static org.slf4j.LoggerFactory.getLogger;
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/BitbucketOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/BitbucketOAuthService.java
index 60d156c..accf586 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/BitbucketOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/BitbucketOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 import static javax.servlet.http.HttpServletResponse.SC_OK;
 import static org.slf4j.LoggerFactory.getLogger;
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/CasOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/CasOAuthService.java
index 7b318b8..5f3e4a1 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/CasOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/CasOAuthService.java
@@ -14,8 +14,8 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
+import static com.google.gerrit.json.OutputFormat.JSON;
 import static com.google.common.base.Strings.nullToEmpty;
-import static com.google.gerrit.server.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
index 0570896..009ee31 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/DexOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/FacebookOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/FacebookOAuthService.java
index 66a063e..7682410 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/FacebookOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/FacebookOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/GitHubOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/GitHubOAuthService.java
index c22e95d..12643b2 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/GitHubOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/GitHubOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/GitLabOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/GitLabOAuthService.java
index 394c3e4..57eb94b 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/GitLabOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/GitLabOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 import static javax.servlet.http.HttpServletResponse.SC_OK;
 import static org.slf4j.LoggerFactory.getLogger;
 
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/GoogleOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/GoogleOAuthService.java
index fdfd05f..b63ba33 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/GoogleOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/GoogleOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
@@ -30,7 +30,6 @@
 import com.google.gerrit.extensions.auth.oauth.OAuthToken;
 import com.google.gerrit.extensions.auth.oauth.OAuthUserInfo;
 import com.google.gerrit.extensions.auth.oauth.OAuthVerifier;
-import com.google.gerrit.server.OutputFormat;
 import com.google.gerrit.server.config.CanonicalWebUrl;
 import com.google.gerrit.server.config.PluginConfig;
 import com.google.gerrit.server.config.PluginConfigFactory;
@@ -156,15 +155,14 @@
   }
 
   private JsonObject retrieveJWTToken(OAuthToken token) {
-    JsonElement idToken = OutputFormat.JSON.newGson().fromJson(token.getRaw(), JsonElement.class);
+    JsonElement idToken = JSON.newGson().fromJson(token.getRaw(), JsonElement.class);
     if (idToken != null && idToken.isJsonObject()) {
       JsonObject idTokenObj = idToken.getAsJsonObject();
       JsonElement idTokenElement = idTokenObj.get("id_token");
       if (idTokenElement != null && !idTokenElement.isJsonNull()) {
         String payload = decodePayload(idTokenElement.getAsString());
         if (!Strings.isNullOrEmpty(payload)) {
-          JsonElement tokenJsonElement =
-              OutputFormat.JSON.newGson().fromJson(payload, JsonElement.class);
+          JsonElement tokenJsonElement = JSON.newGson().fromJson(payload, JsonElement.class);
           if (tokenJsonElement.isJsonObject()) {
             return tokenJsonElement.getAsJsonObject();
           }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/KeycloakOAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/KeycloakOAuthService.java
index 937e1fd..34f3f87 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/KeycloakOAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/KeycloakOAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/oauth/Office365OAuthService.java b/src/main/java/com/googlesource/gerrit/plugins/oauth/Office365OAuthService.java
index 0b22776..c1380bc 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/oauth/Office365OAuthService.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/oauth/Office365OAuthService.java
@@ -14,7 +14,7 @@
 
 package com.googlesource.gerrit.plugins.oauth;
 
-import static com.google.gerrit.server.OutputFormat.JSON;
+import static com.google.gerrit.json.OutputFormat.JSON;
 
 import com.github.scribejava.core.builder.ServiceBuilder;
 import com.github.scribejava.core.model.OAuth2AccessToken;