diff --git a/CMakeLists.txt b/CMakeLists.txt
index 129fcb16b..5a650269a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -492,13 +492,13 @@ if(BUILD_DOCS)
     ) 
     add_custom_command(OUTPUT ${SPHINX_OUTPUT}
         COMMAND ${SPHINX_EXECUTABLE}
-            -E -q -b html -d "${CMAKE_BINARY_DIR}/docs/html"
+            -q -b html -d "${CMAKE_BINARY_DIR}/docs/html"
             "${CMAKE_CURRENT_SOURCE_DIR}"
             "${CMAKE_CURRENT_SOURCE_DIR}/docs/html"
             -w "${CMAKE_BINARY_DIR}/docs/html/_sphinx-warnings.txt"
             -j auto
         COMMAND ${SPHINX_EXECUTABLE}
-            -E -q -b text -d "${CMAKE_BINARY_DIR}/docs/text"
+            -q -b text -d "${CMAKE_BINARY_DIR}/docs/text"
             "${CMAKE_CURRENT_SOURCE_DIR}"
             "${CMAKE_CURRENT_SOURCE_DIR}/docs/text"
             -w "${CMAKE_BINARY_DIR}/docs/text/_sphinx-warnings.txt"