diff --git a/stew.nimble b/stew.nimble
index d2fdbe22..5b828bc5 100644
--- a/stew.nimble
+++ b/stew.nimble
@@ -19,8 +19,14 @@ task test, "Run all tests":
   test "--threads:off", "tests/all_tests"
   test "--threads:on -d:nimTypeNames", "tests/all_tests"
   test "--threads:on -d:noIntrinsicsBitOpts -d:noIntrinsicsEndians", "tests/all_tests"
+  test "--threads:off", "tests/all_tests2"
+  test "--threads:on -d:nimTypeNames", "tests/all_tests2"
+  test "--threads:on -d:noIntrinsicsBitOpts -d:noIntrinsicsEndians", "tests/all_tests2"
 
 task testvcc, "Run all tests with vcc compiler":
   test "--cc:vcc --threads:off", "tests/all_tests"
   test "--cc:vcc --threads:on -d:nimTypeNames", "tests/all_tests"
   test "--cc:vcc --threads:on -d:noIntrinsicsBitOpts -d:noIntrinsicsEndians", "tests/all_tests"
+  test "--cc:vcc --threads:off", "tests/all_tests2"
+  test "--cc:vcc --threads:on -d:nimTypeNames", "tests/all_tests2"
+  test "--cc:vcc --threads:on -d:noIntrinsicsBitOpts -d:noIntrinsicsEndians", "tests/all_tests2"
diff --git a/tests/all_tests.nim b/tests/all_tests.nim
index 31b836ef..49aee4fe 100644
--- a/tests/all_tests.nim
+++ b/tests/all_tests.nim
@@ -21,9 +21,6 @@ import
   test_ctops,
   test_endians2,
   test_io2,
-  test_keyed_queue,
-  test_sorted_set,
-  test_interval_set,
   test_macros,
   test_objects,
   test_ptrops,
@@ -33,3 +30,13 @@ import
   test_results,
   test_varints,
   test_winacl
+
+# Running some unit tests in a separate file in order to mitigate global
+# symbols overflow on Github ci when compiling with nim version <= 1.2
+when 3 <= NimVersion.len and NimVersion[0..2] == "1.2":
+  discard
+else:
+  import
+    all_tests_ex
+
+# End
diff --git a/tests/all_tests2.nim b/tests/all_tests2.nim
new file mode 100644
index 00000000..f3bb2592
--- /dev/null
+++ b/tests/all_tests2.nim
@@ -0,0 +1,16 @@
+# stew
+# Copyright 2018-2019 Status Research & Development GmbH
+# Licensed under either of
+#
+#  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+#  * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+#
+# at your option. This file may not be copied, modified, or distributed except according to those terms.
+
+# Running some unit tests in a separate file in order to mitigate global
+# symbols overflow on Github ci when compiling with nim version <= 1.2
+when 3 <= NimVersion.len and NimVersion[0..2] == "1.2":
+  import
+    all_tests_ex
+
+# End
diff --git a/tests/all_tests_ex.nim b/tests/all_tests_ex.nim
new file mode 100644
index 00000000..6126075a
--- /dev/null
+++ b/tests/all_tests_ex.nim
@@ -0,0 +1,19 @@
+# stew
+# Copyright 2018-2019 Status Research & Development GmbH
+# Licensed under either of
+#
+#  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+#  * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+#
+# at your option. This file may not be copied, modified, or distributed except according to those terms.
+
+# Running some unit tests in a separate file in order to mitigate global
+# symbols overflow on Github ci when compiling with nim version <= 1.2.
+#
+# This file is simply a contiinuation of `all_tests`
+import
+  test_keyed_queue,
+  test_sorted_set,
+  test_interval_set
+
+# End