diff --git a/debian/_base/libraries/pytdeextensions/debian/rules b/debian/_base/libraries/pytdeextensions/debian/rules
index 259100081..99800839d 100755
--- a/debian/_base/libraries/pytdeextensions/debian/rules
+++ b/debian/_base/libraries/pytdeextensions/debian/rules
@@ -1,7 +1,5 @@
 #!/usr/bin/make -f
 
-
-DEB_PYTHON_SYSTEM = /usr/bin/dh_python3
 DEB_PYTHON3_MODULE_PACKAGES=pytdeextensions-trinity libpythonize0-trinity
 
 include /usr/share/cdbs/1/rules/debhelper.mk
diff --git a/dilos/libraries/pytdeextensions/debian/rules b/dilos/libraries/pytdeextensions/debian/rules
index 93913921a..69b808198 100755
--- a/dilos/libraries/pytdeextensions/debian/rules
+++ b/dilos/libraries/pytdeextensions/debian/rules
@@ -1,7 +1,5 @@
 #!/usr/bin/make -f
 
-
-DEB_PYTHON_SYSTEM = /usr/bin/dh_python3
 DEB_PYTHON3_MODULE_PACKAGES=pytdeextensions-trinity libpythonize0-trinity
 
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
diff --git a/ubuntu/_base/libraries/pytdeextensions/debian/rules b/ubuntu/_base/libraries/pytdeextensions/debian/rules
index 259100081..99800839d 100755
--- a/ubuntu/_base/libraries/pytdeextensions/debian/rules
+++ b/ubuntu/_base/libraries/pytdeextensions/debian/rules
@@ -1,7 +1,5 @@
 #!/usr/bin/make -f
 
-
-DEB_PYTHON_SYSTEM = /usr/bin/dh_python3
 DEB_PYTHON3_MODULE_PACKAGES=pytdeextensions-trinity libpythonize0-trinity
 
 include /usr/share/cdbs/1/rules/debhelper.mk