diff --git a/src/qweb/base_directives.ts b/src/qweb/base_directives.ts
index e55180d2..95c9a3cd 100644
--- a/src/qweb/base_directives.ts
+++ b/src/qweb/base_directives.ts
@@ -41,12 +41,6 @@ function compileValueNode(value: any, node: Element, qweb: QWeb, ctx: Compilatio
   if (typeof value === "string") {
     exprID = `_${ctx.generateID()}`;
     ctx.addLine(`let ${exprID} = ${ctx.formatExpression(value)};`);
-    if (ctx.isSubTemplate) {
-      ctx.rootContext.shouldDefineUtils = true;
-      ctx.addLine(
-        `${exprID} = ${exprID} instanceof utils.VDomArray ? utils.vDomToString(${exprID}) : ${exprID};`
-      );
-    }
   } else {
     exprID = `scope.${value.id}`;
   }
@@ -244,7 +238,7 @@ QWeb.addDirective({
     if (!subId) {
       subId = QWeb.nextId++;
       qweb.subTemplates[subTemplate] = subId;
-      const subTemplateFn = qweb._compile(subTemplate, nodeTemplate.elem, ctx, true, true);
+      const subTemplateFn = qweb._compile(subTemplate, nodeTemplate.elem, ctx, true);
       QWeb.subTemplates[subId] = subTemplateFn;
     }
 
diff --git a/src/qweb/compilation_context.ts b/src/qweb/compilation_context.ts
index 1996b0d9..38f0c46b 100644
--- a/src/qweb/compilation_context.ts
+++ b/src/qweb/compilation_context.ts
@@ -22,7 +22,6 @@ export class CompilationContext {
   shouldDefineUtils: boolean = false;
   shouldDefineRefs: boolean = false;
   shouldDefineResult: boolean = true;
-  isSubTemplate: boolean = false;
   loopNumber: number = 0;
   inPreTag: boolean = false;
   templateName: string;
diff --git a/src/qweb/qweb.ts b/src/qweb/qweb.ts
index aa6478d9..7787673d 100644
--- a/src/qweb/qweb.ts
+++ b/src/qweb/qweb.ts
@@ -421,12 +421,10 @@ export class QWeb extends EventBus {
     name: string,
     elem: Element,
     parentContext?: CompilationContext,
-    defineKey?: boolean,
-    isSubTemplate?: boolean
+    defineKey?: boolean
   ): CompiledTemplate {
     const isDebug = elem.attributes.hasOwnProperty("t-debug");
     const ctx = new CompilationContext(name);
-    ctx.isSubTemplate = Boolean(isSubTemplate);
     if (elem.tagName !== "t") {
       ctx.shouldDefineResult = false;
     }
diff --git a/tests/component/component.test.ts b/tests/component/component.test.ts
index e018d6f7..569536fe 100644
--- a/tests/component/component.test.ts
+++ b/tests/component/component.test.ts
@@ -1766,7 +1766,6 @@ describe("props evaluation ", () => {
     await widget.mount(fixture);
     expect(fixture.innerHTML).toBe("<div><span>&lt;p&gt;4343&lt;/p&gt;<p>43</p></span></div>");
   });
-
 });
 
 describe("other directives with t-component", () => {
diff --git a/tests/qweb/__snapshots__/qweb.test.ts.snap b/tests/qweb/__snapshots__/qweb.test.ts.snap
index a85b43d6..fc1fe3c9 100644
--- a/tests/qweb/__snapshots__/qweb.test.ts.snap
+++ b/tests/qweb/__snapshots__/qweb.test.ts.snap
@@ -1502,7 +1502,6 @@ exports[`t-call (template calling recursive template, part 2 2`] = `
     let vn3 = h('p', p3, c3);
     c2.push(vn3);
     let _4 = scope['node'].val;
-    _4 = _4 instanceof utils.VDomArray ? utils.vDomToString(_4) : _4;
     if (_4 != null) {
         c3.push({text: _4});
     }
@@ -1582,7 +1581,6 @@ exports[`t-call (template calling recursive template, part 3 2`] = `
     let vn3 = h('p', p3, c3);
     c2.push(vn3);
     let _4 = scope['node'].val;
-    _4 = _4 instanceof utils.VDomArray ? utils.vDomToString(_4) : _4;
     if (_4 != null) {
         c3.push({text: _4});
     }
@@ -1664,7 +1662,6 @@ exports[`t-call (template calling recursive template, part 4: with t-set recursi
     let vn3 = h('p', p3, c3);
     c2.push(vn3);
     let _4 = scope['node'].val;
-    _4 = _4 instanceof utils.VDomArray ? utils.vDomToString(_4) : _4;
     if (_4 != null) {
         c3.push({text: _4});
     }