diff --git a/pkg/apis/build/v1beta1/build_conversion.go b/pkg/apis/build/v1beta1/build_conversion.go
index a611063cb7..7417e94060 100644
--- a/pkg/apis/build/v1beta1/build_conversion.go
+++ b/pkg/apis/build/v1beta1/build_conversion.go
@@ -133,9 +133,8 @@ func (dest *BuildSpec) ConvertFrom(orig *v1alpha1.BuildSpec) error {
 
 	// Handle BuildSpec Strategy
 	dest.Strategy = Strategy{
-		Name:       orig.StrategyName(),
-		Kind:       (*BuildStrategyKind)(orig.Strategy.Kind),
-		APIVersion: orig.Strategy.APIVersion,
+		Name: orig.StrategyName(),
+		Kind: (*BuildStrategyKind)(orig.Strategy.Kind),
 	}
 
 	// Handle BuildSpec ParamValues
@@ -213,9 +212,8 @@ func (dest *BuildSpec) ConvertTo(bs *v1alpha1.BuildSpec) error {
 
 	// Handle BuildSpec Strategy
 	bs.Strategy = v1alpha1.Strategy{
-		Name:       dest.StrategyName(),
-		Kind:       (*v1alpha1.BuildStrategyKind)(dest.Strategy.Kind),
-		APIVersion: dest.Strategy.APIVersion,
+		Name: dest.StrategyName(),
+		Kind: (*v1alpha1.BuildStrategyKind)(dest.Strategy.Kind),
 	}
 
 	// Handle BuildSpec Builder, TODO
diff --git a/pkg/apis/build/v1beta1/buildstrategy.go b/pkg/apis/build/v1beta1/buildstrategy.go
index 3bcf80fe2f..1997a63f65 100644
--- a/pkg/apis/build/v1beta1/buildstrategy.go
+++ b/pkg/apis/build/v1beta1/buildstrategy.go
@@ -187,10 +187,6 @@ type Strategy struct {
 
 	// BuildStrategyKind indicates the kind of the buildstrategy, namespaced or cluster scoped.
 	Kind *BuildStrategyKind `json:"kind,omitempty"`
-
-	// API version of the referent
-	// +optional
-	APIVersion *string `json:"apiVersion,omitempty"`
 }
 
 // BuilderStrategy defines the common elements of build strategies
diff --git a/pkg/apis/build/v1beta1/zz_generated.deepcopy.go b/pkg/apis/build/v1beta1/zz_generated.deepcopy.go
index 45d8944afc..47062397a2 100644
--- a/pkg/apis/build/v1beta1/zz_generated.deepcopy.go
+++ b/pkg/apis/build/v1beta1/zz_generated.deepcopy.go
@@ -1139,11 +1139,6 @@ func (in *Strategy) DeepCopyInto(out *Strategy) {
 		*out = new(BuildStrategyKind)
 		**out = **in
 	}
-	if in.APIVersion != nil {
-		in, out := &in.APIVersion, &out.APIVersion
-		*out = new(string)
-		**out = **in
-	}
 	return
 }