diff --git a/reactos/tools/rbuild/backend/mingw/modulehandler.cpp b/reactos/tools/rbuild/backend/mingw/modulehandler.cpp
index bdcddc42861..c19b6cb8055 100644
--- a/reactos/tools/rbuild/backend/mingw/modulehandler.cpp
+++ b/reactos/tools/rbuild/backend/mingw/modulehandler.cpp
@@ -1250,21 +1250,21 @@ Rule arRule1 ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).a:
 Rule arRule2 ( "\t$(ECHO_AR)\n"
               "\t${ar} -rc $@ $($(module_name)_OBJS)\n",
               NULL );
-Rule gasRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule gasRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                "\t$(ECHO_GAS)\n"
                "\t${gcc} -x assembler-with-cpp -c $< -o $@ -D__ASM__ $($(module_name)_CFLAGS)\n",
                "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o",
                "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule bootRule ( "$(module_output): $(source)$(dependencies) | $(OUTPUT)$(SEP)$(source_dir)\n"
+Rule bootRule ( "$(module_output): $(source) ${$(module_name)_precondition}$(dependencies) | $(OUTPUT)$(SEP)$(source_dir)\n"
                 "\t$(ECHO_NASM)\n"
                 "\t$(Q)${nasm} -f win32 $< -o $@ $($(module_name)_NASMFLAGS)\n",
                 "$(OUTPUT)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule nasmRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule nasmRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                 "\t$(ECHO_NASM)\n"
                 "\t$(Q)${nasm} -f win32 $< -o $@ $($(module_name)_NASMFLAGS)\n",
                 "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o",
                 "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule windresRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).coff: $(source)$(dependencies) $(WRC_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir) $(TEMPORARY)\n"
+Rule windresRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).coff: $(source) ${$(module_name)_precondition}$(dependencies) $(WRC_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir) $(TEMPORARY)\n"
                    "\t$(ECHO_WRC)\n"
                    "\t${gcc} -xc -E -DRC_INVOKED ${$(module_name)_RCFLAGS} $(source) > $(TEMPORARY)$(SEP)$(module_name).$(source_name_noext).rci.tmp\n"
                    "\t$(Q)$(WRC_TARGET) ${$(module_name)_RCFLAGS} $(TEMPORARY)$(SEP)$(module_name).$(source_name_noext).rci.tmp $(TEMPORARY)$(SEP)$(module_name).$(source_name_noext).res.tmp\n"
@@ -1273,11 +1273,11 @@ Rule windresRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)
                    "\t-@${rm} $(TEMPORARY)$(SEP)$(module_name).$(source_name_noext).res.tmp 2>$(NUL)\n",
                    "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).coff",
                    "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule wmcRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).rc $(INTERMEDIATE)$(SEP)include$(SEP)reactos$(SEP)$(source_name_noext).h: $(WMC_TARGET) $(source)\n"
+Rule wmcRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).rc $(INTERMEDIATE)$(SEP)include$(SEP)reactos$(SEP)$(source_name_noext).h: $(WMC_TARGET) $(source) ${$(module_name)_precondition}\n"
                "\t$(ECHO_WMC)\n"
                "\t$(Q)$(WMC_TARGET) -i -H $(INTERMEDIATE)$(SEP)include$(SEP)reactos$(SEP)$(source_name_noext).h -o $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).rc $(source)\n",
                "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).rc", "$(INTERMEDIATE)$(SEP)include$(SEP)reactos$(SEP)$(source_name_noext).h", NULL );
-Rule winebuildRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).spec.def: $(source)$(dependencies) $(WINEBUILD_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule winebuildRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).spec.def: $(source) ${$(module_name)_precondition}$(dependencies) $(WINEBUILD_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                      "\t$(ECHO_WINEBLD)\n"
                      "\t$(Q)$(WINEBUILD_TARGET) $(WINEBUILD_FLAGS) -o $(INTERMEDIATE)$(SEP)$(source_path)$(SEP)$(source_name_noext).spec.def --def -E $(source_path)$(SEP)$(source_name_noext).spec\n"
                      "$(INTERMEDIATE)$(SEP)$(source_path)$(SEP)$(source_name_noext).stubs.c: $(source_path)$(SEP)$(source_name_noext).spec $(WINEBUILD_TARGET)\n"
@@ -1290,12 +1290,12 @@ Rule winebuildRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noex
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).stubs.c",
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).stubs.o",
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule widlHeaderRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).h: $(source)$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule widlHeaderRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).h: $(source) ${$(module_name)_precondition}$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                       "\t$(ECHO_WIDL)\n"
                       "\t$(Q)$(WIDL_TARGET) $($(module_name)_WIDLFLAGS) -h -H $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).h $(source)\n",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).h",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule widlServerRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.h: $(source)$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule widlServerRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.h: $(source) ${$(module_name)_precondition}$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                       "\t$(ECHO_WIDL)\n"
                       "\t$(Q)$(WIDL_TARGET) $($(module_name)_WIDLFLAGS) -h -H $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.h -s -S $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.c $(source)\n"
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.o: $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.h$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
@@ -1305,7 +1305,7 @@ Rule widlServerRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noe
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.c",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_s.o",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule widlClientRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.h: $(source)$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule widlClientRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.h: $(source) ${$(module_name)_precondition}$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                       "\t$(ECHO_WIDL)\n"
                       "\t$(Q)$(WIDL_TARGET) $($(module_name)_WIDLFLAGS) -h -H $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.h -c -C $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.c $(source)\n"
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.o: $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.h$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
@@ -1315,7 +1315,7 @@ Rule widlClientRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noe
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.c",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_c.o",
                       "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule widlProxyRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.h: $(source)$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule widlProxyRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.h: $(source) ${$(module_name)_precondition}$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                      "\t$(ECHO_WIDL)\n"
                      "\t$(Q)$(WIDL_TARGET) $($(module_name)_WIDLFLAGS) -h -H $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.h -p -P $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.c $(source)\n"
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.o: $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.c $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.h$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
@@ -1325,23 +1325,23 @@ Rule widlProxyRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noex
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.c",
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_p.o",
                      "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule widlTlbRule ( "$(OUTPUT)$(SEP)$(source_dir)$(SEP)$(module_name).tlb: $(source)$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule widlTlbRule ( "$(OUTPUT)$(SEP)$(source_dir)$(SEP)$(module_name).tlb: $(source) ${$(module_name)_precondition}$(dependencies) $(WIDL_TARGET) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                    "\t$(ECHO_WIDL)\n"
                    "\t$(Q)$(WIDL_TARGET) $($(module_name)_WIDLFLAGS) -t -T $(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext).tlb $(source)\n",
                    "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)", NULL );
-Rule gccRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule gccRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                "\t$(ECHO_CC)\n"
                "\t${gcc} -c $< -o $@ $($(module_name)_CFLAGS)$(compiler_flags)\n",
                "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o", NULL );
-Rule gccHostRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule gccHostRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                    "\t$(ECHO_CC)\n"
                    "\t${host_gcc} -c $< -o $@ $($(module_name)_CFLAGS)$(compiler_flags)\n",
                    "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o", NULL );
-Rule gppRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule gppRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                "\t$(ECHO_CC)\n"
                "\t${gpp} -c $< -o $@ $($(module_name)_CFLAGS)$(compiler_flags)\n",
                "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o", NULL );
-Rule gppHostRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source)$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
+Rule gppHostRule ( "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o: $(source) ${$(module_name)_precondition}$(dependencies) | $(INTERMEDIATE)$(SEP)$(source_dir)\n"
                    "\t$(ECHO_CC)\n"
                    "\t${host_gpp} -c $< -o $@ $($(module_name)_CFLAGS)$(compiler_flags)\n",
                    "$(INTERMEDIATE)$(SEP)$(source_dir)$(SEP)$(source_name_noext)_$(module_name).o", NULL );
@@ -2276,18 +2276,14 @@ MingwModuleHandler::GetDefaultDependencies (
 	string_list& dependencies ) const
 {
 	/* Avoid circular dependency */
-	if ( module.type != BuildTool
-		&& module.name != "zlib"
-		&& module.name != "hostzlib" )
+	if ( module.host == HostTrue )
+		return;
 
-		dependencies.push_back ( "$(INIT)" );
+	dependencies.push_back ( "$(INIT)" );
+	if ( module.name != "psdk" )
+		dependencies.push_back ( "$(PSDK_TARGET) $(psdk_HEADERS)" );
 
-	if ( module.type != BuildTool
-		&& module.name != "psdk" )
-
-	dependencies.push_back ( "$(PSDK_TARGET) $(psdk_HEADERS)" );
-
-	/* Check if any dependent library relays on the generated headers */
+	/* Check if any dependent library relies on the generated headers */
 	for ( size_t i = 0; i < module.project.modules.size (); i++ )
 	{
 		const Module& m = *module.project.modules[i];
@@ -2329,13 +2325,6 @@ MingwModuleHandler::GeneratePreconditionDependencies ()
 		fprintf ( fMakefile, "\n\n" );
 	}
 
-	for ( size_t i = 0; i < sourceFilenames.size(); i++ )
-	{
-		fprintf ( fMakefile,
-		          "%s: ${%s}\n",
-		          backend->GetFullName ( sourceFilenames[i] ).c_str (),
-		          preconditionDependenciesName.c_str ());
-	}
 	fprintf ( fMakefile, "\n" );
 }
 
diff --git a/reactos/tools/rbuild/rbuild.mak b/reactos/tools/rbuild/rbuild.mak
index 4e67cabfb37..d0f84181302 100644
--- a/reactos/tools/rbuild/rbuild.mak
+++ b/reactos/tools/rbuild/rbuild.mak
@@ -269,9 +269,6 @@ RBUILD_SOURCES = \
 		xmlnode.cpp \
 		)
 
-RBUILD_SPECIAL_OBJECTS = \
-	$(addprefix $(INTERMEDIATE_), $(RBUILD_SPECIAL_SOURCES:.cpp=.o))
-
 RBUILD_OBJECTS = \
 	$(addprefix $(INTERMEDIATE_), $(RBUILD_SOURCES:.cpp=.o))