diff --git a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/IOTELEndpointHandler.java b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/IOTELEndpointHandler.java
index eb3f6a5..ef9893b 100644
--- a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/IOTELEndpointHandler.java
+++ b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/IOTELEndpointHandler.java
@@ -1,13 +1,10 @@
 package com.octopus.teamcity.opentelemetry.server.endpoints;
 
 import com.octopus.teamcity.opentelemetry.server.SetProjectConfigurationSettingsRequest;
-import io.opentelemetry.api.metrics.MeterProvider;
-import io.opentelemetry.sdk.metrics.export.MetricExporter;
 import io.opentelemetry.sdk.trace.SpanProcessor;
 import jetbrains.buildServer.serverSide.SBuild;
 import org.springframework.web.servlet.ModelAndView;
 
-import javax.annotation.Nullable;
 import javax.servlet.http.HttpServletRequest;
 import java.util.Map;
 
diff --git a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/custom/CustomOTELEndpointHandler.java b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/custom/CustomOTELEndpointHandler.java
index 642019b..ebdeed8 100644
--- a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/custom/CustomOTELEndpointHandler.java
+++ b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/custom/CustomOTELEndpointHandler.java
@@ -2,10 +2,8 @@
 
 import com.octopus.teamcity.opentelemetry.server.*;
 import com.octopus.teamcity.opentelemetry.server.endpoints.IOTELEndpointHandler;
-import io.opentelemetry.api.metrics.MeterProvider;
 import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporter;
 import io.opentelemetry.exporter.otlp.trace.OtlpGrpcSpanExporterBuilder;
-import io.opentelemetry.sdk.metrics.export.MetricExporter;
 import io.opentelemetry.sdk.trace.SpanProcessor;
 import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;
 import io.opentelemetry.sdk.trace.export.SpanExporter;
@@ -13,7 +11,6 @@
 import jetbrains.buildServer.serverSide.crypt.EncryptUtil;
 import jetbrains.buildServer.web.openapi.PluginDescriptor;
 import org.apache.log4j.Logger;
-import org.jetbrains.annotations.Nullable;
 import org.springframework.web.servlet.ModelAndView;
 
 import javax.servlet.http.HttpServletRequest;
diff --git a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/zipkin/ZipKinOTELEndpointHandler.java b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/zipkin/ZipKinOTELEndpointHandler.java
index d228e4b..316cd36 100644
--- a/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/zipkin/ZipKinOTELEndpointHandler.java
+++ b/server/src/main/java/com/octopus/teamcity/opentelemetry/server/endpoints/zipkin/ZipKinOTELEndpointHandler.java
@@ -2,15 +2,12 @@
 
 import com.octopus.teamcity.opentelemetry.server.SetProjectConfigurationSettingsRequest;
 import com.octopus.teamcity.opentelemetry.server.endpoints.IOTELEndpointHandler;
-import io.opentelemetry.api.metrics.MeterProvider;
 import io.opentelemetry.exporter.zipkin.ZipkinSpanExporter;
-import io.opentelemetry.sdk.metrics.export.MetricExporter;
 import io.opentelemetry.sdk.trace.SpanProcessor;
 import io.opentelemetry.sdk.trace.export.BatchSpanProcessor;
 import jetbrains.buildServer.serverSide.SBuild;
 import jetbrains.buildServer.web.openapi.PluginDescriptor;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 import org.springframework.web.servlet.ModelAndView;
 
 import javax.servlet.http.HttpServletRequest;