diff --git a/cosec-dependencies/build.gradle.kts b/cosec-dependencies/build.gradle.kts
index 4053ab75..1e9bbe8b 100644
--- a/cosec-dependencies/build.gradle.kts
+++ b/cosec-dependencies/build.gradle.kts
@@ -23,7 +23,6 @@ dependencies {
         api(libs.javaJwt)
         api(libs.ip2region)
         api(libs.guava)
-        api(libs.opentelemetrySemconv)
         api(libs.swagger)
         api(libs.jmhCore)
         api(libs.jmhGeneratorAnnprocess)
diff --git a/cosec-opentelemetry/build.gradle.kts b/cosec-opentelemetry/build.gradle.kts
index 547587d0..3da725a1 100644
--- a/cosec-opentelemetry/build.gradle.kts
+++ b/cosec-opentelemetry/build.gradle.kts
@@ -14,7 +14,6 @@
 dependencies {
     implementation(project(":cosec-core"))
     implementation("io.opentelemetry.instrumentation:opentelemetry-instrumentation-api")
-    implementation("io.opentelemetry:opentelemetry-semconv")
     testImplementation("io.projectreactor:reactor-test")
     testImplementation("io.opentelemetry:opentelemetry-sdk")
 }
diff --git a/cosec-opentelemetry/src/main/kotlin/me/ahoo/cosec/opentelemetry/CoSecInstrumenter.kt b/cosec-opentelemetry/src/main/kotlin/me/ahoo/cosec/opentelemetry/CoSecInstrumenter.kt
index 9b02cd14..2d445911 100644
--- a/cosec-opentelemetry/src/main/kotlin/me/ahoo/cosec/opentelemetry/CoSecInstrumenter.kt
+++ b/cosec-opentelemetry/src/main/kotlin/me/ahoo/cosec/opentelemetry/CoSecInstrumenter.kt
@@ -15,12 +15,12 @@ package me.ahoo.cosec.opentelemetry
 
 import io.opentelemetry.api.GlobalOpenTelemetry
 import io.opentelemetry.api.common.AttributeKey
+import io.opentelemetry.api.common.AttributeKey.stringKey
 import io.opentelemetry.api.common.AttributesBuilder
 import io.opentelemetry.context.Context
 import io.opentelemetry.instrumentation.api.instrumenter.AttributesExtractor
 import io.opentelemetry.instrumentation.api.instrumenter.Instrumenter
 import io.opentelemetry.instrumentation.api.instrumenter.SpanNameExtractor
-import io.opentelemetry.semconv.trace.attributes.SemanticAttributes
 import me.ahoo.cosec.api.CoSec
 import me.ahoo.cosec.api.authorization.AuthorizeResult
 import me.ahoo.cosec.api.context.SecurityContext
@@ -50,16 +50,18 @@ object CoSecSpanNameExtractor : SpanNameExtractor<SecurityContext> {
 }
 
 object CoSecAttributesExtractor : AttributesExtractor<SecurityContext, AuthorizeResult> {
+    private val END_USER_ID_ATTRIBUTE_KEY = stringKey("enduser.id")
+    private val END_USER_ROLE_ATTRIBUTE_KEY = stringKey("enduser.role")
     private const val COSEC_TENANT_ID_KEY = CoSec.COSEC_PREFIX + "tenant_id"
-    private val COSEC_TENANT_ID_ATTRIBUTE_KEY = AttributeKey.stringKey(COSEC_TENANT_ID_KEY)
+    private val COSEC_TENANT_ID_ATTRIBUTE_KEY = stringKey(COSEC_TENANT_ID_KEY)
 
     private const val COSEC_POLICY_KEY = CoSec.COSEC_PREFIX + PolicyCapable.POLICY_KEY
-    private val COSEC_POLICY_ATTRIBUTE_KEY = AttributeKey.stringKey(COSEC_POLICY_KEY)
+    private val COSEC_POLICY_ATTRIBUTE_KEY = stringKey(COSEC_POLICY_KEY)
 
     private const val COSEC_AUTHORIZE_PREFIX = CoSec.COSEC_PREFIX + "authorize."
 
     private const val COSEC_AUTHORIZATION_POLICY_ID_KEY = COSEC_AUTHORIZE_PREFIX + "policy.id"
-    private val COSEC_AUTHORIZATION_POLICY_ID_ATTRIBUTE_KEY = AttributeKey.stringKey(COSEC_AUTHORIZATION_POLICY_ID_KEY)
+    private val COSEC_AUTHORIZATION_POLICY_ID_ATTRIBUTE_KEY = stringKey(COSEC_AUTHORIZATION_POLICY_ID_KEY)
 
     private const val COSEC_AUTHORIZATION_STATEMENT_PREFIX = COSEC_AUTHORIZE_PREFIX + "statement."
     private const val COSEC_AUTHORIZATION_STATEMENT_IDX_KEY = COSEC_AUTHORIZATION_STATEMENT_PREFIX + "index"
@@ -68,17 +70,17 @@ object CoSecAttributesExtractor : AttributesExtractor<SecurityContext, Authorize
 
     private const val COSEC_AUTHORIZATION_STATEMENT_NAME_KEY = COSEC_AUTHORIZATION_STATEMENT_PREFIX + "name"
     private val COSEC_AUTHORIZATION_STATEMENT_NAME_ATTRIBUTE_KEY =
-        AttributeKey.stringKey(COSEC_AUTHORIZATION_STATEMENT_NAME_KEY)
+        stringKey(COSEC_AUTHORIZATION_STATEMENT_NAME_KEY)
 
     private const val COSEC_AUTHORIZATION_ROLE_ID_KEY = COSEC_AUTHORIZE_PREFIX + "role.id"
-    private val COSEC_AUTHORIZATION_ROLE_ID_ATTRIBUTE_KEY = AttributeKey.stringKey(COSEC_AUTHORIZATION_ROLE_ID_KEY)
+    private val COSEC_AUTHORIZATION_ROLE_ID_ATTRIBUTE_KEY = stringKey(COSEC_AUTHORIZATION_ROLE_ID_KEY)
 
     private const val COSEC_AUTHORIZATION_PERMISSION_ID_KEY = COSEC_AUTHORIZE_PREFIX + "permission.id"
     private val COSEC_AUTHORIZATION_PERMISSION_ID_ATTRIBUTE_KEY =
-        AttributeKey.stringKey(COSEC_AUTHORIZATION_PERMISSION_ID_KEY)
+        stringKey(COSEC_AUTHORIZATION_PERMISSION_ID_KEY)
 
     private const val COSEC_AUTHORIZATION_RESULT_KEY = COSEC_AUTHORIZE_PREFIX + "result"
-    private val COSEC_AUTHORIZATION_RESULT_ATTRIBUTE_KEY = AttributeKey.stringKey(COSEC_AUTHORIZATION_RESULT_KEY)
+    private val COSEC_AUTHORIZATION_RESULT_ATTRIBUTE_KEY = stringKey(COSEC_AUTHORIZATION_RESULT_KEY)
 
     private const val SEPARATOR = ","
     override fun onStart(attributes: AttributesBuilder, parentContext: Context, request: SecurityContext) = Unit
@@ -93,9 +95,9 @@ object CoSecAttributesExtractor : AttributesExtractor<SecurityContext, Authorize
         val securityContext = request
         val principal = securityContext.principal
         attributes.put(COSEC_TENANT_ID_ATTRIBUTE_KEY, securityContext.tenant.tenantId)
-        attributes.put(SemanticAttributes.ENDUSER_ID, principal.id)
+        attributes.put(END_USER_ID_ATTRIBUTE_KEY, principal.id)
         val roleStr = principal.roles.joinToString(SEPARATOR)
-        attributes.put(SemanticAttributes.ENDUSER_ROLE, roleStr)
+        attributes.put(END_USER_ROLE_ATTRIBUTE_KEY, roleStr)
         val policyStr = principal.policies.joinToString(SEPARATOR)
         attributes.put(COSEC_POLICY_ATTRIBUTE_KEY, policyStr)
         val verifyContext = securityContext.getVerifyContext()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index bec56b14..45c5c2bc 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,7 +5,6 @@ springCloud = "2024.0.0"
 cosid = "2.10.1"
 cocache = "2.6.1"
 opentelemetry = "2.11.0"
-opentelemetrySemconv = "1.22.0-alpha"
 testcontainers = "1.20.4"
 guava = "33.4.0-jre"
 ognl = "3.4.3"
@@ -28,7 +27,6 @@ springCloudDependencies = { module = "org.springframework.cloud:spring-cloud-dep
 cosidBom = { module = "me.ahoo.cosid:cosid-bom", version.ref = "cosid" }
 cocacheBom = { module = "me.ahoo.cocache:cocache-bom", version.ref = "cocache" }
 opentelemetryInstrumentationBom = { module = "io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom", version.ref = "opentelemetry" }
-opentelemetrySemconv = { module = "io.opentelemetry:opentelemetry-semconv", version.ref = "opentelemetrySemconv" }
 testcontainersBom = { module = "org.testcontainers:testcontainers-bom", version.ref = "testcontainers" }
 guava = { module = "com.google.guava:guava", version.ref = "guava" }
 ognl = { module = "ognl:ognl", version.ref = "ognl" }