diff --git a/src/Makefile.generator b/src/Makefile.generator
index 6be3d9eb73..2171a21079 100644
--- a/src/Makefile.generator
+++ b/src/Makefile.generator
@@ -4,12 +4,12 @@
 
 # generator.csproj.inc contains the generator_dependencies variable used to determine if the generator needs to be rebuilt or not.
 $(BUILD_DIR)/generator.csproj.inc: Makefile.generator $(TOP)/tools/common/create-makefile-fragment.sh $(TOP)/Make.config | $(BUILD_DIR)
-	$(Q_GEN) MONO_IOS_SDK_DESTDIR=$(MONO_IOS_SDK_DESTDIR) $(TOP)/tools/common/create-makefile-fragment.sh $(abspath $(CURDIR)/generator.csproj) $(abspath $@)
+	$(Q_GEN) $(TOP)/tools/common/create-makefile-fragment.sh $(abspath $(CURDIR)/generator.csproj) $(abspath $@)
 
 -include $(BUILD_DIR)/generator.csproj.inc
 
 $(BUILD_DIR)/common/bgen.exe: $(generator_dependencies) Makefile.generator $(BUILD_DIR)/generator-frameworks.g.cs
-	$(Q_GEN) $(SYSTEM_MSBUILD) $(XBUILD_VERBOSITY) /p:Configuration=Debug generator.csproj /p:IntermediateOutputPath=$(BUILD_DIR)/IDE/obj/common/ /p:OutputPath=$(BUILD_DIR)/common /p:MONO_IOS_SDK_DESTDIR=$(MONO_IOS_SDK_DESTDIR)
+	$(Q_GEN) $(SYSTEM_MSBUILD) $(XBUILD_VERBOSITY) /p:Configuration=Debug generator.csproj /p:IntermediateOutputPath=$(BUILD_DIR)/IDE/obj/common/ /p:OutputPath=$(BUILD_DIR)/common
 
 #
 # Common
diff --git a/tests/mtouch/Makefile b/tests/mtouch/Makefile
index 11f9d7bfd4..614bf55bcf 100644
--- a/tests/mtouch/Makefile
+++ b/tests/mtouch/Makefile
@@ -30,7 +30,7 @@ run-tests: bin/Debug/mtouch.dll test.config
 
 # mtouch.csproj.inc contains the mtouch_dependencies variable used to determine if mtouch.dll needs to be rebuilt or not.
 mtouch.csproj.inc: $(TOP)/tools/common/create-makefile-fragment.sh Makefile $(TOP)/Make.config
-	$(Q_GEN) MONO_IOS_SDK_DESTDIR=$(MONO_IOS_SDK_DESTDIR) $< $(CURDIR)/mtouch.csproj
+	$(Q_GEN) $< $(CURDIR)/mtouch.csproj
 -include mtouch.csproj.inc
 
 bin/Debug/mtouch.dll: $(mtouch_dependencies)
diff --git a/tools/mmp/Makefile b/tools/mmp/Makefile
index 4b1b0b7520..eb799f17b1 100644
--- a/tools/mmp/Makefile
+++ b/tools/mmp/Makefile
@@ -13,7 +13,7 @@ LOCAL_MMP=$(MMP_DIR)/mmp.exe
 
 # mmp.csproj.inc contains the mmp_dependencies variable used to determine if mmp needs to be rebuilt or not.
 mmp.csproj.inc: Makefile ../common/create-makefile-fragment.sh $(TOP)/Make.config
-	$(Q_GEN) MONO_IOS_SDK_DESTDIR=$(MONO_IOS_SDK_DESTDIR) ../common/create-makefile-fragment.sh $(CURDIR)/mmp.csproj
+	$(Q_GEN) ../common/create-makefile-fragment.sh $(CURDIR)/mmp.csproj
 
 -include mmp.csproj.inc
 
diff --git a/tools/mtouch/Makefile b/tools/mtouch/Makefile
index 1d4b09bb4a..df686d08e1 100644
--- a/tools/mtouch/Makefile
+++ b/tools/mtouch/Makefile
@@ -186,7 +186,7 @@ LOCAL_MTOUCH=$(MTOUCH_DIR)/mtouch.exe
 
 # mtouch.csproj.inc contains the mtouch_dependencies variable used to determine if mtouch needs to be rebuilt or not.
 mtouch.csproj.inc: Makefile ../common/create-makefile-fragment.sh $(TOP)/Make.config
-	$(Q_GEN) MONO_IOS_SDK_DESTDIR=$(MONO_IOS_SDK_DESTDIR) ../common/create-makefile-fragment.sh $(CURDIR)/mtouch.csproj
+	$(Q_GEN) ../common/create-makefile-fragment.sh $(CURDIR)/mtouch.csproj
 
 -include mtouch.csproj.inc