diff --git a/build.gradle.kts b/build.gradle.kts
index b6f1a352d48..28620213e1a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -87,7 +87,6 @@ extra["distLibDir"] = project.file(distLibDir)
 extra["commonLocalDataDir"] = project.file(commonLocalDataDir)
 extra["ideaSandboxDir"] = project.file(ideaSandboxDir)
 extra["ideaPluginDir"] = project.file(ideaPluginDir)
-extra["isSonatypeRelease"] = false
 
 rootProject.apply {
     from(rootProject.file("gradle/versions.gradle.kts"))
diff --git a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/plugins/KotlinBuildPublishingPlugin.kt b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/plugins/KotlinBuildPublishingPlugin.kt
index 2cdf65fd01a..ed52bd4c3d7 100644
--- a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/plugins/KotlinBuildPublishingPlugin.kt
+++ b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/plugins/KotlinBuildPublishingPlugin.kt
@@ -133,7 +133,6 @@ fun MavenPublication.configureKotlinPomAttributes(project: Project, explicitDesc
 val Project.signLibraryPublication: Boolean
     get() = project.providers.gradleProperty("signingRequired").orNull?.toBoolean()
         ?: project.providers.gradleProperty("kotlin.build.signing-required").orNull?.toBoolean()
-        ?: project.providers.gradleProperty("isSonatypeRelease").orNull?.toBoolean()
         ?: false
 
 // overload for Groovy
diff --git a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/preparePublication.kt b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/preparePublication.kt
index da785eaee4a..1dc6c4731ad 100644
--- a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/preparePublication.kt
+++ b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/preparePublication.kt
@@ -19,7 +19,6 @@ fun Project.preparePublication() {
         val repo: String? = properties["kotlin.build.deploy-repo"]?.toString() ?: properties["deploy-repo"]?.toString()
         val repoProvider = repositoryProviders.getOrDefault(repo, repo)
         val isSonatypePublish: Boolean by extra(repoProvider == "sonatype")
-        val isSonatypeRelease: Boolean by extra(isSonatypePublish && isRelease)
 
         val deployRepoUrl = (properties["kotlin.build.deploy-url"] ?: properties["deploy-url"])?.toString()?.takeIf { it.isNotBlank() }