diff --git a/build.gradle.kts b/build.gradle.kts
index b354091..6d0c51d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,9 +18,7 @@ val schemaUrlVersions = listOf(
     "1.27.0",
     "1.26.0",
     "1.25.0",
-    "1.24.0",
-    "1.23.1",
-    "1.22.0")
+    "1.24.0")
 
 // Compute the artifact version, which includes the "-alpha" suffix and includes "-SNAPSHOT" suffix if not releasing
 // Release example: version=1.21.0-alpha
diff --git a/semconv/src/main/java/io/opentelemetry/semconv/SchemaUrls.java b/semconv/src/main/java/io/opentelemetry/semconv/SchemaUrls.java
index 251904a..5887f32 100644
--- a/semconv/src/main/java/io/opentelemetry/semconv/SchemaUrls.java
+++ b/semconv/src/main/java/io/opentelemetry/semconv/SchemaUrls.java
@@ -13,8 +13,6 @@ public final class SchemaUrls {
   public static final String V1_26_0 = "https://opentelemetry.io/schemas/1.26.0";
   public static final String V1_25_0 = "https://opentelemetry.io/schemas/1.25.0";
   public static final String V1_24_0 = "https://opentelemetry.io/schemas/1.24.0";
-  public static final String V1_23_1 = "https://opentelemetry.io/schemas/1.23.1";
-  public static final String V1_22_0 = "https://opentelemetry.io/schemas/1.22.0";
 
   private SchemaUrls() {}
 }