diff --git a/gtsam/3rdparty/cephes/CMakeLists.txt b/gtsam/3rdparty/cephes/CMakeLists.txt
index d510ddf81..d1c8cfe0d 100644
--- a/gtsam/3rdparty/cephes/CMakeLists.txt
+++ b/gtsam/3rdparty/cephes/CMakeLists.txt
@@ -103,10 +103,7 @@ set_target_properties(
              C_STANDARD 99)
 
 if(WIN32)
-  set_target_properties(
-    cephes-gtsam
-    PROPERTIES PREFIX ""
-               COMPILE_FLAGS /w)
+  set_target_properties(cephes-gtsam PROPERTIES COMPILE_FLAGS /w)
 endif()
 
 if(APPLE)
diff --git a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
index 96ec59f64..8a35c2f6b 100644
--- a/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
+++ b/gtsam/3rdparty/metis/libmetis/CMakeLists.txt
@@ -10,7 +10,6 @@ endif()
 
 if(WIN32)
 		set_target_properties(metis-gtsam PROPERTIES
-			PREFIX ""
 			COMPILE_FLAGS /w
 			WINDOWS_EXPORT_ALL_SYMBOLS ON)
 endif()
diff --git a/gtsam/CMakeLists.txt b/gtsam/CMakeLists.txt
index 5d71bb7be..3c2073547 100644
--- a/gtsam/CMakeLists.txt
+++ b/gtsam/CMakeLists.txt
@@ -183,9 +183,7 @@ if(WIN32) # Add 'lib' prefix to static library to avoid filename collision with
 			PREFIX "lib")
 		target_compile_definitions(gtsam PRIVATE GTSAM_IMPORT_STATIC)
 	else()
-		set_target_properties(gtsam PROPERTIES
-			PREFIX ""
-			DEFINE_SYMBOL GTSAM_EXPORTS)
+		set_target_properties(gtsam PROPERTIES DEFINE_SYMBOL GTSAM_EXPORTS)
 	endif()
 endif()
 
diff --git a/gtsam_unstable/CMakeLists.txt b/gtsam_unstable/CMakeLists.txt
index 730b6389a..aaffe54a8 100644
--- a/gtsam_unstable/CMakeLists.txt
+++ b/gtsam_unstable/CMakeLists.txt
@@ -107,7 +107,6 @@ if(WIN32) # Add 'lib' prefix to static library to avoid filename collision with
 			COMPILE_DEFINITIONS GTSAM_UNSTABLE_IMPORT_STATIC)
 	else()
 		set_target_properties(gtsam_unstable PROPERTIES
-			PREFIX ""
 			DEFINE_SYMBOL GTSAM_UNSTABLE_EXPORTS)
 	endif()
 endif()