diff --git a/sdk/trace/trace_go11.go b/sdk/trace/trace_go11.go
deleted file mode 100644
index 51586a538209..000000000000
--- a/sdk/trace/trace_go11.go
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build go1.11
-
-package trace // import "go.opentelemetry.io/otel/sdk/trace"
-
-import (
-	"context"
-	rt "runtime/trace"
-)
-
-func startExecutionTracerTask(ctx context.Context, name string) (context.Context, func()) {
-	if !rt.IsEnabled() {
-		// Avoid additional overhead if
-		// runtime/trace is not enabled.
-		return ctx, func() {}
-	}
-	nctx, task := rt.NewTask(ctx, name)
-	return nctx, task.End
-}
diff --git a/sdk/trace/trace_nongo11.go b/sdk/trace/trace_nongo11.go
deleted file mode 100644
index d794329a7298..000000000000
--- a/sdk/trace/trace_nongo11.go
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build !go1.11
-
-package trace // import "go.opentelemetry.io/otel/sdk/trace"
-
-import (
-	"context"
-)
-
-func startExecutionTracerTask(ctx context.Context, name string) (context.Context, func()) {
-	return ctx, func() {}
-}
diff --git a/sdk/trace/tracer.go b/sdk/trace/tracer.go
index c85f866fd685..8bc5109d9775 100644
--- a/sdk/trace/tracer.go
+++ b/sdk/trace/tracer.go
@@ -16,6 +16,7 @@ package trace // import "go.opentelemetry.io/otel/sdk/trace"
 
 import (
 	"context"
+	rt "runtime/trace"
 
 	"go.opentelemetry.io/otel/internal/trace/parent"
 	"go.opentelemetry.io/otel/trace"
@@ -65,7 +66,15 @@ func (tr *tracer) Start(ctx context.Context, name string, options ...trace.SpanO
 		}
 	}
 
-	ctx, end := startExecutionTracerTask(ctx, name)
-	span.executionTracerTaskEnd = end
+	ctx, span.executionTracerTaskEnd = func(ctx context.Context) (context.Context, func()) {
+		if !rt.IsEnabled() {
+			// Avoid additional overhead if
+			// runtime/trace is not enabled.
+			return ctx, func() {}
+		}
+		nctx, task := rt.NewTask(ctx, name)
+		return nctx, task.End
+	}(ctx)
+
 	return trace.ContextWithSpan(ctx, span), span
 }