diff --git a/mingw-w64-bullet/PKGBUILD b/mingw-w64-bullet/PKGBUILD
index e62c62e7de..7324a14132 100644
--- a/mingw-w64-bullet/PKGBUILD
+++ b/mingw-w64-bullet/PKGBUILD
@@ -5,7 +5,7 @@ pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}" "${MINGW_PACKAGE_PREFIX}-python-pybullet")
 conflicts=("${MINGW_PACKAGE_PREFIX}-${_realname}-debug")
 pkgver=2.87
-pkgrel=5
+pkgrel=6
 pkgdesc="A 3D Collision Detection and Rigid Body Dynamics Library for games and  animation (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang32' 'clang64')
@@ -100,6 +100,9 @@ package_python-pybullet() {
   cd "${srcdir}/build-${MSYSTEM}"
 
   DESTDIR="${pkgdir}" cmake --install . --component pybullet
+
+  MSYS2_ARG_CONV_EXCL="-p" python -m compileall \
+    -o 0 -o 1 -q -s"${pkgdir}" -p"/" "${pkgdir}${MINGW_PREFIX}/lib/python"*
 }
 
 # template start; name=mingw-w64-splitpkg-wrappers; version=1.0;
diff --git a/mingw-w64-python-mistune/PKGBUILD b/mingw-w64-python-mistune/PKGBUILD
index 94f1a47dba..812f5884ca 100644
--- a/mingw-w64-python-mistune/PKGBUILD
+++ b/mingw-w64-python-mistune/PKGBUILD
@@ -7,7 +7,7 @@ provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=0.8.4
-pkgrel=3
+pkgrel=4
 pkgdesc="The fastest markdown parser in pure Python with renderer feature (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
@@ -36,7 +36,6 @@ package() {
   ${MINGW_PREFIX}/bin/python setup.py install \
     --prefix=${MINGW_PREFIX} --root=${pkgdir} --optimize=1 --skip-build
 
-  find "${pkgdir}/" -name "*.pyc" -delete
   find "${pkgdir}/" -type d -empty -delete
 
   install -Dm644 LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE"
diff --git a/mingw-w64-python-pyzmq/PKGBUILD b/mingw-w64-python-pyzmq/PKGBUILD
index a8bdff855f..b8a0c978bd 100644
--- a/mingw-w64-python-pyzmq/PKGBUILD
+++ b/mingw-w64-python-pyzmq/PKGBUILD
@@ -7,7 +7,7 @@ provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=23.0.0
-pkgrel=2
+pkgrel=3
 pkgdesc="Python bindings for zeromq, written in Cython (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
@@ -51,7 +51,6 @@ package() {
   ${MINGW_PREFIX}/bin/python setup.py install \
     --prefix=${MINGW_PREFIX} --root=${pkgdir} --optimize=1 --skip-build
 
-  find "${pkgdir}/" -name "*.pyc" -delete
   find "${pkgdir}/" -type d -empty -delete
 
   rm -rf build
diff --git a/mingw-w64-python-qtconsole/PKGBUILD b/mingw-w64-python-qtconsole/PKGBUILD
index 7a259679aa..fb14bf27b1 100644
--- a/mingw-w64-python-qtconsole/PKGBUILD
+++ b/mingw-w64-python-qtconsole/PKGBUILD
@@ -7,7 +7,7 @@ provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=5.3.0
-pkgrel=2
+pkgrel=3
 pkgdesc="A rich Qt-based console for working with Jupyter kernels, supporting rich media output, session export, and more (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
@@ -39,7 +39,6 @@ package() {
   ${MINGW_PREFIX}/bin/python setup.py install --prefix=${MINGW_PREFIX} \
      --root=${pkgdir} --optimize=1 --skip-build
 
-  find "${pkgdir}/" -name "*.pyc" -delete
   find "${pkgdir}/" -type d -empty -delete
 
   local PREFIX_WIN=$(cygpath -wm ${MINGW_PREFIX})
diff --git a/mingw-w64-python-testpath/PKGBUILD b/mingw-w64-python-testpath/PKGBUILD
index 1bf77c644f..684b6018db 100644
--- a/mingw-w64-python-testpath/PKGBUILD
+++ b/mingw-w64-python-testpath/PKGBUILD
@@ -7,7 +7,7 @@ provides=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 conflicts=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 replaces=("${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=0.4.4
-pkgrel=3
+pkgrel=4
 pkgdesc="Test utilities for code working with files and commands (mingw-w64)"
 url="https://pypi.python.org/pypi/testpath"
 arch=('any')
@@ -43,4 +43,7 @@ package() {
 
   cd "${srcdir}/${_realname}-${pkgver}"
   install -Dm644 LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/python-${_realname}/LICENSE"
+
+  MSYS2_ARG_CONV_EXCL="-p" python -m compileall \
+    -o 0 -o 1 -q -s"${pkgdir}" -p"/" "${pkgdir}${MINGW_PREFIX}/lib/python"*
 }
diff --git a/mingw-w64-z3/PKGBUILD b/mingw-w64-z3/PKGBUILD
index 79ec5367e4..56d31ffd48 100644
--- a/mingw-w64-z3/PKGBUILD
+++ b/mingw-w64-z3/PKGBUILD
@@ -4,7 +4,7 @@ _realname=z3
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=4.8.15
-pkgrel=3
+pkgrel=4
 pkgdesc="Z3 is a high-performance theorem prover being developed at Microsoft Research (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -98,5 +98,8 @@ package() {
   cd "${srcdir}"/build-${MSYSTEM}-shared
   DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake.exe --install .
 
+  MSYS2_ARG_CONV_EXCL="-p" python -m compileall \
+    -o 0 -o 1 -q -s"${pkgdir}" -p"/" "${pkgdir}${MINGW_PREFIX}/lib/python"*
+
   install -Dm644 ${srcdir}/${_realname}-${_realname}-${pkgver}/LICENSE.txt ${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/LICENSE.txt
 }