diff --git a/documentation/documentation.gradle.kts b/documentation/documentation.gradle.kts
index fbe0413e3b54..ea2755cba333 100644
--- a/documentation/documentation.gradle.kts
+++ b/documentation/documentation.gradle.kts
@@ -64,7 +64,6 @@ dependencies {
 
 asciidoctorj {
 	modules {
-		diagram.version(libs.versions.asciidoctorj.diagram)
 		pdf.version(libs.versions.asciidoctorj.pdf)
 	}
 	requires(file("src/docs/asciidoc/resources/themes/rouge_junit.rb"))
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 46dd9d6897c0..c4437ecee64b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,6 @@
 [versions]
 ant = "1.10.14"
 apiguardian = "1.1.2"
-asciidoctorj-diagram = "2.2.9"
 asciidoctorj-pdf = "2.3.9"
 asciidoctor-plugins = "4.0.0-alpha.1" # Check if workaround in documentation.gradle.kts can be removed when upgrading
 assertj = "3.24.2"
@@ -66,8 +65,7 @@ xmlunit-assertj = { module = "org.xmlunit:xmlunit-assertj3", version.ref = "xmlu
 xmlunit-placeholders = { module = "org.xmlunit:xmlunit-placeholders", version.ref = "xmlunit" }
 testingAnnotations = { module = "com.gradle:gradle-enterprise-testing-annotations", version = "1.1.2" }
 
-# These are only declared here so Dependabot knows when to update the referenced versions
-asciidoctorj-diagram = { module = "org.asciidoctor:asciidoctorj-diagram", version.ref = "asciidoctorj-diagram" }
+# Only declared here so Dependabot knows when to update the referenced versions
 asciidoctorj-pdf = { module = "org.asciidoctor:asciidoctorj-pdf", version.ref = "asciidoctorj-pdf" }
 
 [bundles]