diff --git a/src/libkwineffects/kwinglutils.cpp b/src/libkwineffects/kwinglutils.cpp
index 4350663832..c39fdb13f3 100644
--- a/src/libkwineffects/kwinglutils.cpp
+++ b/src/libkwineffects/kwinglutils.cpp
@@ -1008,10 +1008,6 @@ GLRenderTarget::~GLRenderTarget()
 
 bool GLRenderTarget::enable()
 {
-    if (!mValid) {
-        initFBO();
-    }
-
     if (!valid()) {
         qCCritical(LIBKWINGLUTILS) << "Can't enable invalid render target!";
         return false;
@@ -1026,10 +1022,6 @@ bool GLRenderTarget::enable()
 
 bool GLRenderTarget::disable()
 {
-    if (!mValid) {
-        initFBO();
-    }
-
     if (!valid()) {
         qCCritical(LIBKWINGLUTILS) << "Can't disable invalid render target!";
         return false;
@@ -1131,14 +1123,10 @@ void GLRenderTarget::initFBO()
 
 void GLRenderTarget::blitFromFramebuffer(const QRect &source, const QRect &destination, GLenum filter)
 {
-    if (!GLRenderTarget::blitSupported()) {
+    if (!valid()) {
         return;
     }
 
-    if (!mValid) {
-        initFBO();
-    }
-
     GLRenderTarget::pushRenderTarget(this);
     glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFramebuffer);
     glBindFramebuffer(GL_READ_FRAMEBUFFER, s_kwinFramebuffer);