diff --git a/acceptance-tests/tests/build.gradle b/acceptance-tests/tests/build.gradle
index 1e26ddaa1c..9b4f881a71 100644
--- a/acceptance-tests/tests/build.gradle
+++ b/acceptance-tests/tests/build.gradle
@@ -71,10 +71,6 @@ dependencies {
   testImplementation 'org.testcontainers:testcontainers'
   testImplementation 'org.web3j:abi'
   testImplementation 'org.web3j:besu'
-  testImplementation 'org.web3j:core'
-  constraints {
-    implementation('jnr-posix:3.1.15') { because '3.0.47 from web3j has issues' }
-  }
 
   testRuntimeOnly 'org.junit.vintage:junit-vintage-engine'
 }
diff --git a/besu/build.gradle b/besu/build.gradle
index 6252d0bbe2..378177d289 100644
--- a/besu/build.gradle
+++ b/besu/build.gradle
@@ -97,12 +97,6 @@ dependencies {
   testImplementation 'org.mockito:mockito-core'
   testImplementation 'org.testcontainers:testcontainers'
   testImplementation 'tech.pegasys.discovery:discovery'
-  constraints {
-    implementation('com.github.jnr:jnr-posix') {
-      version { require '3.1.15' }
-      because '3.0.47 from web3j has issues'
-    }
-  }
 
   testRuntimeOnly 'org.junit.vintage:junit-vintage-engine'
 }
diff --git a/ethereum/p2p/build.gradle b/ethereum/p2p/build.gradle
index 3b239c9cd1..9ecdafabd8 100644
--- a/ethereum/p2p/build.gradle
+++ b/ethereum/p2p/build.gradle
@@ -62,12 +62,6 @@ dependencies {
   annotationProcessor "org.immutables:value"
   implementation "org.immutables:value-annotations"
   implementation 'tech.pegasys.discovery:discovery'
-  constraints {
-    implementation('com.github.jnr:jnr-posix') {
-      version { require '3.1.15' }
-      because '3.0.47 from web3j has issues'
-    }
-  }
 
   // test dependencies.
   testImplementation project(path: ':ethereum:core', configuration: 'testArtifacts')