diff --git a/Dockerfile_gpu b/Dockerfile_gpu
index f0813341..979e9aa3 100644
--- a/Dockerfile_gpu
+++ b/Dockerfile_gpu
@@ -69,43 +69,6 @@ RUN set -ex \
         --with-system-expat \
         --with-system-ffi \
         --without-ensurepip \
-    && make -j "$(nproc)" \
-# setting PROFILE_TASK makes "--enable-optimizations" reasonable: https://bugs.python.org/issue36044 / https://github.com/docker-library/python/issues/160#issuecomment-509426916
-        PROFILE_TASK='-m test.regrtest --pgo \
-            test_array \
-            test_base64 \
-            test_binascii \
-            test_binhex \
-            test_binop \
-            test_bytes \
-            test_c_locale_coercion \
-            test_class \
-            test_cmath \
-            test_codecs \
-            test_compile \
-            test_complex \
-            test_csv \
-            test_decimal \
-            test_dict \
-            test_float \
-            test_fstring \
-            test_hashlib \
-            test_io \
-            test_iter \
-            test_json \
-            test_long \
-            test_math \
-            test_memoryview \
-            test_pickle \
-            test_re \
-            test_set \
-            test_slice \
-            test_struct \
-            test_threading \
-            test_time \
-            test_traceback \
-            test_unicode \
-        ' \
     && make install \
     && ldconfig \
     \