diff --git a/win_build/boinc_cli.vcproj b/win_build/boinc_cli.vcproj
index 4c785c8b39..7476f2e0d7 100644
--- a/win_build/boinc_cli.vcproj
+++ b/win_build/boinc_cli.vcproj
@@ -68,7 +68,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -177,7 +176,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -285,7 +283,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -396,7 +393,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -507,7 +503,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -616,7 +611,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -724,7 +718,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -834,7 +827,6 @@
 				SuppressStartupBanner="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
diff --git a/win_build/libboinc.vcproj b/win_build/libboinc.vcproj
index 9adc1ca837..47a95b84ee 100644
--- a/win_build/libboinc.vcproj
+++ b/win_build/libboinc.vcproj
@@ -57,7 +57,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 				ShowIncludes="false"
 			/>
@@ -132,7 +131,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 				ShowIncludes="false"
 			/>
@@ -203,7 +201,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -275,7 +272,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -348,7 +344,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 				ShowIncludes="false"
 			/>
@@ -423,7 +418,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 				ShowIncludes="false"
 			/>
@@ -494,7 +488,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool
@@ -565,7 +558,6 @@
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
 				CompileAs="2"
-				DisableSpecificWarnings="4127;4702;4244"
 				ForcedIncludeFiles="boinc_win.h"
 			/>
 			<Tool