diff --git a/crnlib/Makefile b/crnlib/Makefile
index 9a9de187..30991e7c 100644
--- a/crnlib/Makefile
+++ b/crnlib/Makefile
@@ -1,4 +1,4 @@
-COMPILE_OPTIONS = -O3 -fomit-frame-pointer -ffast-math -fno-math-errno -g -fno-strict-aliasing -Wall -Wno-unused-value -Wno-unused -march=core2
+COMPILE_OPTIONS = -O3 -fomit-frame-pointer -fno-math-errno -g -fno-strict-aliasing -Wall -Wno-unused-value -Wno-unused -march=core2
 LINKER_OPTIONS = -lpthread -g
 
 OBJECTS = \
diff --git a/crnlib/crnlib.2010.vcxproj b/crnlib/crnlib.2010.vcxproj
index ec5d528f..72cc2b53 100644
--- a/crnlib/crnlib.2010.vcxproj
+++ b/crnlib/crnlib.2010.vcxproj
@@ -202,7 +202,6 @@
       <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>crn_core.h</PrecompiledHeaderFile>
@@ -287,7 +286,6 @@
       <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>crn_core.h</PrecompiledHeaderFile>
diff --git a/crunch/crunch.2010.vcxproj b/crunch/crunch.2010.vcxproj
index 45c92b71..2df33aa6 100644
--- a/crunch/crunch.2010.vcxproj
+++ b/crunch/crunch.2010.vcxproj
@@ -168,7 +168,6 @@
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
diff --git a/example1/example1.2010.vcxproj b/example1/example1.2010.vcxproj
index f0db5440..4df68bf4 100644
--- a/example1/example1.2010.vcxproj
+++ b/example1/example1.2010.vcxproj
@@ -237,7 +237,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
@@ -364,7 +363,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
diff --git a/example2/example2.2010.vcxproj b/example2/example2.2010.vcxproj
index c0696d03..2e8ddd60 100644
--- a/example2/example2.2010.vcxproj
+++ b/example2/example2.2010.vcxproj
@@ -234,7 +234,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
@@ -357,7 +356,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
diff --git a/example3/example3.2010.vcxproj b/example3/example3.2010.vcxproj
index 4af9961c..d7762bc2 100644
--- a/example3/example3.2010.vcxproj
+++ b/example3/example3.2010.vcxproj
@@ -237,7 +237,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>
@@ -364,7 +363,6 @@
       </ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
-      <FloatingPointModel>Fast</FloatingPointModel>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
       <PrecompiledHeader>
       </PrecompiledHeader>