diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 751e0a66..dd03b08b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,9 +6,9 @@ include(DisallowInSource)
 
 set(CUTTER_PYTHON_MIN 3.5)
 
-option(CUTTER_ENABLE_PYTHON "Enable Python integration. Requires Python >= ${CUTTER_PYTHON_MIN}." ON)
-option(CUTTER_ENABLE_PYTHON_BINDINGS "Enable generating Python bindings with Shiboken2. Unused if CUTTER_ENABLE_PYTHON=OFF." ON)
-option(CUTTER_ENABLE_JUPYTER "Enable Jupyter integration. Unused if CUTTER_ENABLE_PYTHON=OFF." ON)
+option(CUTTER_ENABLE_PYTHON "Enable Python integration. Requires Python >= ${CUTTER_PYTHON_MIN}." OFF)
+option(CUTTER_ENABLE_PYTHON_BINDINGS "Enable generating Python bindings with Shiboken2. Unused if CUTTER_ENABLE_PYTHON=OFF." OFF)
+option(CUTTER_ENABLE_JUPYTER "Enable Jupyter integration. Unused if CUTTER_ENABLE_PYTHON=OFF." OFF)
 option(CUTTER_ENABLE_QTWEBENGINE "Use QtWebEngine for in-app Jupyter Browser. Unused if CUTTER_ENABLE_JUPYTER=OFF." OFF)
 
 if(NOT CUTTER_ENABLE_PYTHON)
@@ -179,4 +179,4 @@ endif()
 
 if(CUTTER_ENABLE_PYTHON AND CUTTER_ENABLE_JUPYTER AND CUTTER_ENABLE_QTWEBENGINE)
     target_link_libraries(Cutter Qt5::WebEngineWidgets)
-endif()
\ No newline at end of file
+endif()
diff --git a/src/Cutter.pro b/src/Cutter.pro
index f6410d2d..cb55e5c9 100644
--- a/src/Cutter.pro
+++ b/src/Cutter.pro
@@ -32,10 +32,10 @@ QT += core gui widgets svg network
 QT_CONFIG -= no-pkg-config
 CONFIG += c++11
 
-!defined(CUTTER_ENABLE_PYTHON, var)             CUTTER_ENABLE_PYTHON=true
+!defined(CUTTER_ENABLE_PYTHON, var)             CUTTER_ENABLE_PYTHON=false
 equals(CUTTER_ENABLE_PYTHON, true)              CONFIG += CUTTER_ENABLE_PYTHON
 
-!defined(CUTTER_ENABLE_PYTHON_BINDINGS, var)    CUTTER_ENABLE_PYTHON_BINDINGS=true
+!defined(CUTTER_ENABLE_PYTHON_BINDINGS, var)    CUTTER_ENABLE_PYTHON_BINDINGS=false
 equals(CUTTER_ENABLE_PYTHON, true) {
     equals(CUTTER_ENABLE_PYTHON_BINDINGS, true) {
         CONFIG += CUTTER_ENABLE_PYTHON_BINDINGS
@@ -43,7 +43,7 @@ equals(CUTTER_ENABLE_PYTHON, true) {
     }
 }
 
-!defined(CUTTER_ENABLE_JUPYTER, var)            CUTTER_ENABLE_JUPYTER=true
+!defined(CUTTER_ENABLE_JUPYTER, var)            CUTTER_ENABLE_JUPYTER=false
 equals(CUTTER_ENABLE_PYTHON, true) {
     equals(CUTTER_ENABLE_JUPYTER, true)         CONFIG += CUTTER_ENABLE_JUPYTER
 }