diff --git a/build/win32/vs10/gtk3-demo-application.vcxprojin b/build/win32/vs10/gtk3-demo-application.vcxprojin
index 1d7d9af4ac..6ff02c81bc 100644
--- a/build/win32/vs10/gtk3-demo-application.vcxprojin
+++ b/build/win32/vs10/gtk3-demo-application.vcxprojin
@@ -105,7 +105,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
@@ -149,7 +149,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
diff --git a/build/win32/vs10/gtk3-demo.vcxprojin b/build/win32/vs10/gtk3-demo.vcxprojin
index 45a7cb25ab..0abda49169 100644
--- a/build/win32/vs10/gtk3-demo.vcxprojin
+++ b/build/win32/vs10/gtk3-demo.vcxprojin
@@ -112,7 +112,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <FunctionLevelLinking>false</FunctionLevelLinking>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
@@ -160,7 +160,7 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <FunctionLevelLinking>false</FunctionLevelLinking>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
diff --git a/build/win32/vs10/gtk3-icon-browser.vcxprojin b/build/win32/vs10/gtk3-icon-browser.vcxprojin
index 80fd216e79..f705ef7e82 100644
--- a/build/win32/vs10/gtk3-icon-browser.vcxprojin
+++ b/build/win32/vs10/gtk3-icon-browser.vcxprojin
@@ -107,7 +107,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
@@ -153,7 +153,7 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
-      <OptimizeReferences>false</OptimizeReferences>
+      <OptimizeReferences>true</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
diff --git a/build/win32/vs9/gtk3-demo-application.vcprojin b/build/win32/vs9/gtk3-demo-application.vcprojin
index 3c718f0950..2d8a85db36 100644
--- a/build/win32/vs9/gtk3-demo-application.vcprojin
+++ b/build/win32/vs9/gtk3-demo-application.vcprojin
@@ -73,7 +73,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
 			/>
@@ -134,7 +134,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>
diff --git a/build/win32/vs9/gtk3-demo.vcprojin b/build/win32/vs9/gtk3-demo.vcprojin
index 9818e00ab9..f8aef24a23 100644
--- a/build/win32/vs9/gtk3-demo.vcprojin
+++ b/build/win32/vs9/gtk3-demo.vcprojin
@@ -111,7 +111,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
@@ -144,7 +144,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				RandomizedBaseAddress="1"
 				DataExecutionPrevention="0"
diff --git a/build/win32/vs9/gtk3-icon-browser.vcprojin b/build/win32/vs9/gtk3-icon-browser.vcprojin
index 33fbb49e6f..08580b5670 100644
--- a/build/win32/vs9/gtk3-icon-browser.vcprojin
+++ b/build/win32/vs9/gtk3-icon-browser.vcprojin
@@ -77,7 +77,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="1"
 			/>
@@ -142,7 +142,7 @@
 				LinkIncremental="1"
 				GenerateDebugInformation="true"
 				SubSystem="1"
-				OptimizeReferences="1"
+				OptimizeReferences="2"
 				EnableCOMDATFolding="2"
 				TargetMachine="17"
 			/>