diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index de5d380a..1f557c7e 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -18,9 +18,6 @@ jobs:
       matrix:
         include:
           # cover relevant combinations when combined with the matrix Yugabyte tests
-          - { scalaVersion: "2.12", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0",  extraOpts: '', testCmd: "test" }
-          # { scalaVersion: "2.12", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test"}
-          - { scalaVersion: "2.12", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test"}
           # { scalaVersion: "2.13", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0", extraOpts: '', testCmd: "test"}
           # { scalaVersion: "2.13", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test"}
           - { scalaVersion: "2.13", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test"}
@@ -74,9 +71,6 @@ jobs:
       matrix:
         include:
           # cover relevant combinations when combined with the matrix Postgres tests
-          # { scalaVersion: "2.12", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0",  extraOpts: '', testCmd: "test" }
-          - { scalaVersion: "2.12", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test" }
-          # { scalaVersion: "2.12", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test" }
           - { scalaVersion: "2.13", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0", extraOpts: '', testCmd: "test" }
           - { scalaVersion: "2.13", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test" }
           # { scalaVersion: "2.13", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test" }
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 595c2c33..4befe442 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -6,9 +6,8 @@ import sbt._
 
 object Dependencies {
   val Scala213 = "2.13.12"
-  val Scala212 = "2.12.18"
   val Scala3 = "3.3.1"
-  val Scala2Versions = Seq(Scala213, Scala212)
+  val Scala2Versions = Seq(Scala213)
   val ScalaVersions = Dependencies.Scala2Versions :+ Dependencies.Scala3
   val AkkaVersion = System.getProperty("override.akka.version", "2.9.0-M1")
   val AkkaVersionInDocs = AkkaVersion.take(3)