--- a/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/SpecializationGroup.java	Thu Jan 22 20:42:48 2015 +0100
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/SpecializationGroup.java	Thu Jan 22 20:44:24 2015 +0100
@@ -26,7 +26,6 @@
 
 import javax.lang.model.type.*;
 
-import com.oracle.truffle.dsl.processor.*;
 import com.oracle.truffle.dsl.processor.java.*;
 import com.oracle.truffle.dsl.processor.model.*;
 import com.oracle.truffle.dsl.processor.model.TemplateMethod.TypeSignature;
@@ -81,15 +80,6 @@
         return collectedGuards;
     }
 
-    public TypeGuard findTypeGuard(int signatureIndex) {
-        for (TypeGuard guard : typeGuards) {
-            if (guard.getSignatureIndex() == signatureIndex) {
-                return guard;
-            }
-        }
-        return null;
-    }
-
     public List<GuardExpression> findElseConnectableGuards() {
         if (!getTypeGuards().isEmpty() || !getAssumptions().isEmpty()) {
             return Collections.emptyList();
@@ -423,26 +413,4 @@
         }
     }
 
-    public boolean isTypeGuardUsedInAnyGuardBelow(ProcessorContext context, SpecializationData source, TypeGuard typeGuard) {
-        NodeExecutionData execution = source.getNode().getChildExecutions().get(typeGuard.getSignatureIndex());
-
-        for (GuardExpression guard : guards) {
-            List<Parameter> guardParameters = guard.getResolvedGuard().findByExecutionData(execution);
-            Parameter sourceParameter = source.getSignatureParameter(typeGuard.getSignatureIndex());
-            for (Parameter guardParameter : guardParameters) {
-                if (sourceParameter.getTypeSystemType().needsCastTo(guardParameter.getType())) {
-                    return true;
-                }
-            }
-        }
-
-        for (SpecializationGroup group : getChildren()) {
-            if (group.isTypeGuardUsedInAnyGuardBelow(context, source, typeGuard)) {
-                return true;
-            }
-        }
-
-        return false;
-    }
-
 }