diff --git a/win32/VS2015/silk_common.vcxproj b/win32/VS2015/silk_common.vcxproj
index bb496feaaa640c40f06eab78c5feed28ff07425a..64e604ff203f994196fa210b5af4374019bea305 100644
--- a/win32/VS2015/silk_common.vcxproj
+++ b/win32/VS2015/silk_common.vcxproj
@@ -618,6 +618,7 @@
     <ClCompile Include="..\..\silk\lin2log.c" />
     <ClCompile Include="..\..\silk\log2lin.c" />
     <ClCompile Include="..\..\silk\LPC_analysis_filter.c" />
+    <ClCompile Include="..\..\silk\LPC_fit.c" />
     <ClCompile Include="..\..\silk\LPC_inv_pred_gain.c" />
     <ClCompile Include="..\..\silk\LP_variable_cutoff.c" />
     <ClCompile Include="..\..\silk\NLSF2A.c" />
diff --git a/win32/VS2015/silk_common.vcxproj.filters b/win32/VS2015/silk_common.vcxproj.filters
index c41064e7bfd9ae4744d249501f982852553de17e..415700ff1e20f7cf65dd5a50087444e256a6e193 100644
--- a/win32/VS2015/silk_common.vcxproj.filters
+++ b/win32/VS2015/silk_common.vcxproj.filters
@@ -332,5 +332,8 @@
     <ClCompile Include="..\..\silk\x86\x86_silk_map.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\silk\LPC_fit.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
diff --git a/win32/VS2015/silk_fixed.vcxproj b/win32/VS2015/silk_fixed.vcxproj
index 542df7ce7c6780f875d68d7ceafa70bde279cb91..f3d63d52967917426ee37b3d663d1fe0c82faa8c 100644
--- a/win32/VS2015/silk_fixed.vcxproj
+++ b/win32/VS2015/silk_fixed.vcxproj
@@ -499,18 +499,15 @@
     <ClCompile Include="..\..\silk\fixed\LTP_scale_ctrl_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\noise_shape_analysis_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\pitch_analysis_core_FIX.c" />
-    <ClCompile Include="..\..\silk\fixed\prefilter_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\process_gains_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\regularize_correlations_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\residual_energy16_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\residual_energy_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\schur64_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\schur_FIX.c" />
-    <ClCompile Include="..\..\silk\fixed\solve_LS_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\vector_ops_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\warped_autocorrelation_FIX.c" />
     <ClCompile Include="..\..\silk\fixed\x86\burg_modified_FIX_sse.c" />
-    <ClCompile Include="..\..\silk\fixed\x86\prefilter_FIX_sse.c" />
     <ClCompile Include="..\..\silk\fixed\x86\vector_ops_FIX_sse.c" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
diff --git a/win32/VS2015/silk_fixed.vcxproj.filters b/win32/VS2015/silk_fixed.vcxproj.filters
index c2327ebf56be8e0e8f87a5d51c4fe4169c49d452..29f42f34e629bf4b5f16aca106f3559a63fb9572 100644
--- a/win32/VS2015/silk_fixed.vcxproj.filters
+++ b/win32/VS2015/silk_fixed.vcxproj.filters
@@ -41,9 +41,6 @@
     <ClCompile Include="..\..\silk\fixed\pitch_analysis_core_FIX.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\fixed\prefilter_FIX.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\fixed\process_gains_FIX.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -62,9 +59,6 @@
     <ClCompile Include="..\..\silk\fixed\schur64_FIX.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\fixed\solve_LS_FIX.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\fixed\vector_ops_FIX.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -110,9 +104,6 @@
     <ClCompile Include="..\..\silk\fixed\x86\burg_modified_FIX_sse.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\fixed\x86\prefilter_FIX_sse.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\fixed\x86\vector_ops_FIX_sse.c">
       <Filter>Source Files</Filter>
     </ClCompile>
diff --git a/win32/VS2015/silk_float.vcxproj b/win32/VS2015/silk_float.vcxproj
index 3579bd4cfea8b12fa653542798860f5fc03c225d..7d4882929d925b62827e500dc938ef1ceb30504d 100644
--- a/win32/VS2015/silk_float.vcxproj
+++ b/win32/VS2015/silk_float.vcxproj
@@ -581,21 +581,18 @@
     <ClCompile Include="..\..\silk\float\find_pred_coefs_FLP.c" />
     <ClCompile Include="..\..\silk\float\inner_product_FLP.c" />
     <ClCompile Include="..\..\silk\float\k2a_FLP.c" />
-    <ClCompile Include="..\..\silk\float\levinsondurbin_FLP.c" />
     <ClCompile Include="..\..\silk\float\LPC_analysis_filter_FLP.c" />
     <ClCompile Include="..\..\silk\float\LPC_inv_pred_gain_FLP.c" />
     <ClCompile Include="..\..\silk\float\LTP_analysis_filter_FLP.c" />
     <ClCompile Include="..\..\silk\float\LTP_scale_ctrl_FLP.c" />
     <ClCompile Include="..\..\silk\float\noise_shape_analysis_FLP.c" />
     <ClCompile Include="..\..\silk\float\pitch_analysis_core_FLP.c" />
-    <ClCompile Include="..\..\silk\float\prefilter_FLP.c" />
     <ClCompile Include="..\..\silk\float\process_gains_FLP.c" />
     <ClCompile Include="..\..\silk\float\regularize_correlations_FLP.c" />
     <ClCompile Include="..\..\silk\float\residual_energy_FLP.c" />
     <ClCompile Include="..\..\silk\float\scale_copy_vector_FLP.c" />
     <ClCompile Include="..\..\silk\float\scale_vector_FLP.c" />
     <ClCompile Include="..\..\silk\float\schur_FLP.c" />
-    <ClCompile Include="..\..\silk\float\solve_LS_FLP.c" />
     <ClCompile Include="..\..\silk\float\sort_FLP.c" />
     <ClCompile Include="..\..\silk\float\warped_autocorrelation_FLP.c" />
     <ClCompile Include="..\..\silk\float\wrappers_FLP.c" />
diff --git a/win32/VS2015/silk_float.vcxproj.filters b/win32/VS2015/silk_float.vcxproj.filters
index 33d25baa5d5b21f37d553fdb07ffd8ea106f3ba6..2d35d893d9a76bc479389873d95eb4fae0c1e920 100644
--- a/win32/VS2015/silk_float.vcxproj.filters
+++ b/win32/VS2015/silk_float.vcxproj.filters
@@ -38,9 +38,6 @@
     <ClCompile Include="..\..\silk\float\schur_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\float\solve_LS_FLP.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\float\sort_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -89,9 +86,6 @@
     <ClCompile Include="..\..\silk\float\k2a_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\float\levinsondurbin_FLP.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\float\LPC_analysis_filter_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -110,9 +104,6 @@
     <ClCompile Include="..\..\silk\float\pitch_analysis_core_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\silk\float\prefilter_FLP.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\silk\float\process_gains_FLP.c">
       <Filter>Source Files</Filter>
     </ClCompile>