diff --git a/ThirdParty/CMakeLists.txt b/ThirdParty/CMakeLists.txt
index 27eac8f3f3cf3188adde4e4665d3af7b62a51395..3dae343e109b8b29c4a7a37a35e89281b265b246 100644
--- a/ThirdParty/CMakeLists.txt
+++ b/ThirdParty/CMakeLists.txt
@@ -44,10 +44,14 @@ if(NOT TARGET vtkGUISupportQt AND OGS_BUILD_GUI)
     set(VTK_QT_VERSION 5 CACHE INTERNAL "")
     include_directories(SYSTEM ${VTK_INCLUDE_DIRS})
     add_subdirectory(vtkGUISupportQt)
+    if(MSVC)
+        set_target_properties(vtkGUISupportQt PROPERTIES COMPILE_FLAGS /W0)
+    endif()
 endif()
 
 if(OGS_BUILD_SWMM)
     add_subdirectory(SWMMInterface)
+    set_target_properties(SWMM SwmmInterface PROPERTIES COMPILE_FLAGS /W0)
 endif()
 
 if(OGS_BUILD_METIS)
diff --git a/scripts/cmake/MetisSetup.cmake b/scripts/cmake/MetisSetup.cmake
index c3d431eba21b4cc5665003901c3f69a70324cd74..9e2ea36a94e143ac80fc8e50edd9519da232dafb 100644
--- a/scripts/cmake/MetisSetup.cmake
+++ b/scripts/cmake/MetisSetup.cmake
@@ -23,11 +23,6 @@ include_directories(BEFORE ${METIS_PATH}/libmetis)
 file(GLOB metis_sources ${METIS_PATH}/libmetis/*.c)
 # Build libmetis.
 add_library(metis ${GKlib_sources} ${metis_sources})
-if(MSVC)
-    set_target_properties(metis PROPERTIES COMPILE_FLAGS /W0)
-else()
-    set_target_properties(metis PROPERTIES COMPILE_FLAGS -w)
-endif()
 
 if(UNIX)
   target_link_libraries(metis m)
@@ -58,3 +53,10 @@ set(METIS_SOURCES
 add_executable(mpmetis ${METIS_SOURCES})
 target_link_libraries(mpmetis metis)
 install(TARGETS mpmetis RUNTIME DESTINATION bin COMPONENT ogs_partmesh)
+
+# Disable warnings
+if(MSVC)
+    set_target_properties(metis mpmetis PROPERTIES COMPILE_FLAGS /W0)
+else()
+    set_target_properties(metis mpmetis PROPERTIES COMPILE_FLAGS -w)
+endif()
diff --git a/scripts/jenkins/all-log-parser.rules b/scripts/jenkins/all-log-parser.rules
index 01cda3f1c5dd2402a22745aa89dcf8dc892abef4..30f37c6d15425abf9060e0666a247c7e52a90899 100644
--- a/scripts/jenkins/all-log-parser.rules
+++ b/scripts/jenkins/all-log-parser.rules
@@ -1,5 +1,9 @@
-# Workflow stages used for grouping
-start /stage:/
+# Ignore warnings in Conan packages on Windows
+ok /\\\.conan\\/
+
+# Ignore linker warnings on envinf1 with petsc
+ok /.*/usr/bin/ld: warning: libssl.*may conflict with libssl.*/
+ok /.*/usr/bin/ld: warning: libcrypto.*may conflict with libcrypto.*/
 
 # CMake
 warning /CMake Warning/