diff --git a/modules/gmake2/gmake2.lua b/modules/gmake2/gmake2.lua
index e63669ab..86126df9 100644
--- a/modules/gmake2/gmake2.lua
+++ b/modules/gmake2/gmake2.lua
@@ -251,8 +251,6 @@
 		end
 
 		if not first then
-			p.outln('else')
-			p.outln('  $(error "invalid configuration $(config)")')
 			p.outln('endif')
 			p.outln('')
 		end
diff --git a/modules/gmake2/tests/test_gmake2_file_rules.lua b/modules/gmake2/tests/test_gmake2_file_rules.lua
index e27897bb..0e767bb3 100644
--- a/modules/gmake2/tests/test_gmake2_file_rules.lua
+++ b/modules/gmake2/tests/test_gmake2_file_rules.lua
@@ -157,8 +157,6 @@ $(OBJDIR)/hello.o: src/hello.c
 	@echo $(notdir $<)
 	$(SILENT) $(CC) $(ALL_CFLAGS) $(FORCE_INCLUDE) -o "$@" -MF "$(@:%.o=%.d)" -c "$<"
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -194,8 +192,6 @@ obj/Release/hello.obj: hello.x
 	$(SILENT) cxc -c "hello.x" -o "obj/Release/hello.xo"
 	$(SILENT) c2o -c "obj/Release/hello.xo" -o "obj/Release/hello.obj"
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -227,8 +223,6 @@ obj/Release/hello.obj: hello.x hello.x.inc hello.x.inc2
 	$(SILENT) cxc -c "hello.x" -o "obj/Release/hello.xo"
 	$(SILENT) c2o -c "obj/Release/hello.xo" -o "obj/Release/hello.obj"
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -261,8 +255,6 @@ obj/Release/hello.obj: hello.x
 	$(SILENT) c2o -c "obj/Release/hello.xo" -o "obj/Release/hello.obj"
 obj/Release/hello.other obj/Release/hello.another: obj/Release/hello.obj
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
diff --git a/modules/gmake2/tests/test_gmake2_objects.lua b/modules/gmake2/tests/test_gmake2_objects.lua
index 69189535..b17e9200 100644
--- a/modules/gmake2/tests/test_gmake2_objects.lua
+++ b/modules/gmake2/tests/test_gmake2_objects.lua
@@ -90,8 +90,6 @@ OBJECTS += $(OBJDIR)/hello_debug.o
 else ifeq ($(config),release)
 OBJECTS += $(OBJDIR)/hello_release.o
 
-else
-  $(error "invalid configuration $(config)")
 endif
 
 		]]
@@ -156,8 +154,6 @@ OBJECTS += $(OBJDIR)/hello111.o
 else ifeq ($(config),release)
 OBJECTS += $(OBJDIR)/hello1.o
 
-else
-  $(error "invalid configuration $(config)")
 endif
 
 		]]
@@ -190,8 +186,6 @@ CUSTOM += obj/Debug/hello.luac
 else ifeq ($(config),release)
 CUSTOM += obj/Release/hello.luac
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -224,8 +218,6 @@ OBJECTS += obj/Debug/hello.obj
 else ifeq ($(config),release)
 OBJECTS += obj/Release/hello.obj
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -259,8 +251,6 @@ OBJECTS += obj/Debug/hello.obj
 else ifeq ($(config),release)
 OBJECTS += obj/Release/hello.obj
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -294,8 +284,6 @@ CUSTOM += obj/Debug/hello.obj
 else ifeq ($(config),release)
 CUSTOM += obj/Release/hello.obj
 
-else
-  $(error "invalid configuration $(config)")
 endif
 		]]
 	end
@@ -319,8 +307,6 @@ OBJECTS :=
 ifeq ($(config),release)
 OBJECTS += $(OBJDIR)/hello.o
 
-else
-  $(error "invalid configuration $(config)")
 endif
 
 		]]
@@ -340,8 +326,6 @@ OBJECTS :=
 ifeq ($(config),release)
 OBJECTS += $(OBJDIR)/hello.o
 
-else
-  $(error "invalid configuration $(config)")
 endif
 
 		]]