diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84d632f28..56c1f386d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,12 +241,7 @@ if (_GLFW_X11)
 
     # Set up library and include paths
     list(APPEND glfw_INCLUDE_DIRS "${X11_X11_INCLUDE_PATH}")
-    list(APPEND glfw_LIBRARIES "${X11_Xrender_LIB}" "${X11_X11_LIB}" "${CMAKE_THREAD_LIBS_INIT}")
-
-    # Check for XRender (image composition and pict format querying)
-    if (NOT X11_Xrender_FOUND)
-      message(FATAL_ERROR "The XRender headers were not found")
-    endif()
+    list(APPEND glfw_LIBRARIES "${X11_X11_LIB}" "${CMAKE_THREAD_LIBS_INIT}")
 
     # Check for XRandR (modern resolution switching and gamma control)
     if (NOT X11_Xrandr_FOUND)
diff --git a/include/GLFW/glfw3.h b/include/GLFW/glfw3.h
index b236d7d8f..a82da57e9 100644
--- a/include/GLFW/glfw3.h
+++ b/include/GLFW/glfw3.h
@@ -869,9 +869,9 @@ extern "C" {
  *  Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER).
  */
 #define GLFW_DOUBLEBUFFER           0x00021010
-/*! @brief Context ALPHA Mask hint and attribute.
+/*! @brief Window transparency hint and attribute.
  *
- *  Context window alpha [hint](@ref GLFW_TRANSPARENT_hint) and
+ *  Context window transparency [hint](@ref GLFW_TRANSPARENT_hint) and
  *  [attribute](@ref GLFW_TRANSPARENT_attrib).
  */
 #define GLFW_TRANSPARENT            0x00021011
diff --git a/src/glx_context.c b/src/glx_context.c
index 6a82463f4..b2ca4ac01 100644
--- a/src/glx_context.c
+++ b/src/glx_context.c
@@ -107,24 +107,20 @@ selectionloop:
 
             visualinfo = glXGetVisualFromFBConfig(_glfw.x11.display, n);
             if (!visualinfo) {
-                printf("!visualinfo: bail\n");
                 continue;
             }
 
             pictFormat = XRenderFindVisualFormat(_glfw.x11.display, visualinfo->visual);
             if( !pictFormat ) {
-                printf("!pictFormat: bail\n");
                 XFree( visualinfo );
                 continue;
             }
 
             if( !pictFormat->direct.alphaMask ) {
-                printf("!pictFormat->direct alphaMask: bail\n");
                 XFree( visualinfo );
                 continue;
             }
 
-            printf("looking for transparent visual: didn't find\n");
             XFree( visualinfo );
         }