diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
index af62dac2f3..b43e11e5e6 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
@@ -78,50 +78,10 @@ public class BlockchainReferenceTestTools {
     params.blacklist("RevertInCreateInInit_d0g0v0_Constantinople");
 
     // Constantinople failures to investigate
-    params.blacklist("badOpcodes_d115g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024PreCalls_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBombPreCall_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024BalanceTooLow_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Callcode1024BalanceTooLow_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Callcode1024OOG_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Delegatecall1024OOG_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Callcode1024BalanceTooLow_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024BalanceTooLow_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024PreCalls_d0g0v0_Constantinople\\[Constantinople\\]");
     params.blacklist("create2collisionStorage_d0g0v0_Constantinople\\[Constantinople\\]");
     params.blacklist("create2collisionStorage_d1g0v0_Constantinople\\[Constantinople\\]");
     params.blacklist("create2collisionStorage_d2g0v0_Constantinople\\[Constantinople\\]");
     params.blacklist("RevertInCreateInInitCreate2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CreateMessageReverted_d0g1v0_Constantinople\\[Constantinople\\]");
-    params.blacklist(
-        "returndatasize_following_successful_create_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CreateMessageRevertedOOGInInit_d0g1v0_Constantinople\\[Constantinople\\]");
-    params.blacklist(
-        "returndatacopy_0_0_following_successful_create_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024OOG_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024PreCalls_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBombPreCall_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Delegatecall1024_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024BalanceTooLow_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1MB1024Calldepth_d0g1v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopCallsThenRevert_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopCallsDepthThenRevert2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopCallsDepthThenRevert_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopCallsDepthThenRevert3_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopDelegateCallsDepthThenRevert_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("LoopCallsThenRevert_d0g1v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("Call1024OOG_d0g1v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("static_Call1024PreCalls2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("ABAcalls2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBombLog2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBomb0_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBombLog_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBomb2_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBomb3_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("ABAcalls3_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist("CallRecursiveBomb1_d0g0v0_Constantinople\\[Constantinople\\]");
-    params.blacklist(
-        "CallRecursiveBomb0_OOG_atMaxCallDepth_d0g0v0_Constantinople\\[Constantinople\\]");
   }
 
   public static Collection<Object[]> generateTestParametersForConfig(final String[] filePath) {
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
index b1bebbf893..570216764a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
@@ -145,48 +145,11 @@ public class GeneralStateReferenceTestTools {
     params.blacklist("ecmul_0-3_5616_28000_96-Byzantium\\[3\\]");
 
     // Constantinople failures to investigate
-    params.blacklist("badOpcodes-Constantinople\\[115\\]");
-    params.blacklist("Call1024OOG-Constantinople\\[0\\]");
-    params.blacklist("Call1024OOG-Constantinople\\[1\\]");
-    params.blacklist("CallRecursiveBombPreCall-Constantinople");
-    params.blacklist("Call1024PreCalls-Constantinople");
-    params.blacklist("Callcode1024OOG-Constantinople");
-    params.blacklist("Callcode1024BalanceTooLow-Constantinople");
-    params.blacklist("Call1024BalanceTooLow-Constantinople");
-    params.blacklist("Callcode1024BalanceTooLow-Constantinople");
-    params.blacklist("Call1024PreCalls-Constantinople");
-    params.blacklist("CallRecursiveBombLog2-Constantinople");
     params.blacklist("RevertInCreateInInitCreate2-Constantinople");
-    params.blacklist("returndatacopy_0_0_following_successful_create-Constantinople");
-    params.blacklist("CreateMessageRevertedOOGInInit-Constantinople\\[1\\]");
-    params.blacklist("returndatasize_following_successful_create-Constantinople");
     params.blacklist("create2collisionStorage-Constantinople\\[0\\]");
     params.blacklist("create2collisionStorage-Constantinople\\[1\\]");
     params.blacklist("create2collisionStorage-Constantinople\\[2\\]");
-    params.blacklist("Call1024OOG-Constantinople");
-    params.blacklist("Delegatecall1024OOG-Constantinople");
-    params.blacklist("CallRecursiveBombPreCall-Constantinople");
-    params.blacklist("Call1024PreCalls-Constantinople");
-    params.blacklist("Delegatecall1024-Constantinople");
-    params.blacklist("Call1MB1024Calldepth-Constantinople\\[1\\]");
-    params.blacklist("LoopCallsDepthThenRevert3-Constantinople");
-    params.blacklist("LoopCallsDepthThenRevert-Constantinople");
-    params.blacklist("LoopDelegateCallsDepthThenRevert-Constantinople");
-    params.blacklist("LoopCallsThenRevert-Constantinople\\[0\\]");
-    params.blacklist("LoopCallsThenRevert-Constantinople\\[1\\]");
     params.blacklist("RevertInCreateInInit-Constantinople");
-    params.blacklist("LoopCallsDepthThenRevert2-Constantinople");
-    params.blacklist("Call1024BalanceTooLow-Constantinople");
-    params.blacklist("Call1024BalanceTooLow-Constantinople");
-    params.blacklist("static_Call1024PreCalls2-Constantinople\\[0\\]");
-    params.blacklist("CallRecursiveBomb0_OOG_atMaxCallDepth-Constantinople");
-    params.blacklist("CallRecursiveBomb3-Constantinople");
-    params.blacklist("ABAcalls3-Constantinople");
-    params.blacklist("CallRecursiveBomb2-Constantinople");
-    params.blacklist("CallRecursiveBombLog-Constantinople");
-    params.blacklist("CallRecursiveBomb0-Constantinople");
-    params.blacklist("CallRecursiveBomb1-Constantinople");
-    params.blacklist("ABAcalls2-Constantinople");
     params.blacklist("ecmul_0-3_5616_28000_96-Constantinople\\[3\\]");
   }