diff --git a/gromacs/gromacs-mdmodules/gmxManageColvars.cmake.diff b/gromacs/gromacs-mdmodules/gmxManageColvars.cmake.diff
deleted file mode 100644
index 5d25e94b8..000000000
--- a/gromacs/gromacs-mdmodules/gmxManageColvars.cmake.diff
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/cmake/gmxManageColvars.cmake b/cmake/gmxManageColvars.cmake
-index 90778221..645b23b5 100644
---- a/cmake/gmxManageColvars.cmake
-+++ b/cmake/gmxManageColvars.cmake
-@@ -54,6 +54,11 @@ function(gmx_manage_colvars)
-         target_sources(colvars INTERFACE $<TARGET_OBJECTS:colvars_objlib>)
-         target_include_directories(colvars SYSTEM INTERFACE $<BUILD_INTERFACE:${COLVARS_DIR}>)
- 
-+        if(GMX_OPENMP)
-+            target_compile_options(colvars_objlib PRIVATE ${OpenMP_CXX_FLAGS})
-+            target_link_libraries(colvars_objlib PRIVATE OpenMP::OpenMP_CXX)
-+        endif()
-+
-     else()
-         # Create a dummy link target so the calling code doesn't need to know
-         # whether colvars support is being compiled.
diff --git a/src/colvar.cpp b/src/colvar.cpp
index 0f431955d..513e93d3e 100644
--- a/src/colvar.cpp
+++ b/src/colvar.cpp
@@ -771,7 +771,7 @@ int colvar::init_components_type(const std::string& conf, const char* def_config
                            def_config_key,
                            &def_conf,
                            &pos) ) {
-    if (!def_conf.size()) continue;
+
     cvm::log("Initializing "
              "a new \""+std::string(def_config_key)+"\" component"+
              (cvm::debug() ? ", with configuration:\n"+def_conf