diff --git a/lldb/lldb.xcodeproj/project.pbxproj b/lldb/lldb.xcodeproj/project.pbxproj
index fcfff212d2b6..1560fa1cf33c 100644
--- a/lldb/lldb.xcodeproj/project.pbxproj
+++ b/lldb/lldb.xcodeproj/project.pbxproj
@@ -7919,10 +7919,8 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_VALUE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				LLDB_COMPRESSION_CFLAGS = "";
-				"LLDB_COMPRESSION_CFLAGS[sdk=macosx10.11]" = "-DHAVE_LIBCOMPRESSION=1";
-				LLDB_COMPRESSION_LDFLAGS = "";
-				"LLDB_COMPRESSION_LDFLAGS[sdk=macosx10.11]" = "-weak-lcompression";
+				LLDB_COMPRESSION_CFLAGS = "-DHAVE_LIBCOMPRESSION=1";
+				LLDB_COMPRESSION_LDFLAGS = "-weak-lcompression";
 				LLDB_COVERAGE_CFLAGS = "$(LLDB_COVERAGE_CFLAGS_$(LLDB_ENABLE_COVERAGE))";
 				LLDB_COVERAGE_CFLAGS_1 = "-fprofile-instr-generate -fcoverage-mapping";
 				LLDB_COVERAGE_LDFLAGS = "$(LLDB_COVERAGE_LDFLAGS_$(LLDB_ENABLE_COVERAGE))";
@@ -8012,10 +8010,8 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_VALUE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				LLDB_COMPRESSION_CFLAGS = "";
-				"LLDB_COMPRESSION_CFLAGS[sdk=macosx10.11]" = "-DHAVE_LIBCOMPRESSION=1";
-				LLDB_COMPRESSION_LDFLAGS = "";
-				"LLDB_COMPRESSION_LDFLAGS[sdk=macosx10.11]" = "-weak-lcompression";
+				LLDB_COMPRESSION_CFLAGS = "-DHAVE_LIBCOMPRESSION=1";
+				LLDB_COMPRESSION_LDFLAGS = "-weak-lcompression";
 				LLDB_COVERAGE_CFLAGS = "$(LLDB_COVERAGE_CFLAGS_$(LLDB_ENABLE_COVERAGE))";
 				LLDB_COVERAGE_CFLAGS_1 = "-fprofile-instr-generate -fcoverage-mapping";
 				LLDB_COVERAGE_LDFLAGS = "$(LLDB_COVERAGE_LDFLAGS_$(LLDB_ENABLE_COVERAGE))";
@@ -8966,10 +8962,8 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_VALUE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				LLDB_COMPRESSION_CFLAGS = "";
-				"LLDB_COMPRESSION_CFLAGS[sdk=macosx10.11]" = "-DHAVE_LIBCOMPRESSION=1";
-				LLDB_COMPRESSION_LDFLAGS = "";
-				"LLDB_COMPRESSION_LDFLAGS[sdk=macosx10.11]" = "-weak-lcompression";
+				LLDB_COMPRESSION_CFLAGS = "-DHAVE_LIBCOMPRESSION=1";
+				LLDB_COMPRESSION_LDFLAGS = "-weak-lcompression";
 				LLDB_COVERAGE_CFLAGS = "$(LLDB_COVERAGE_CFLAGS_$(LLDB_ENABLE_COVERAGE))";
 				LLDB_COVERAGE_CFLAGS_1 = "-fprofile-instr-generate -fcoverage-mapping";
 				LLDB_COVERAGE_LDFLAGS = "$(LLDB_COVERAGE_LDFLAGS_$(LLDB_ENABLE_COVERAGE))";
@@ -9685,10 +9679,8 @@
 				GCC_WARN_UNUSED_LABEL = YES;
 				GCC_WARN_UNUSED_VALUE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				LLDB_COMPRESSION_CFLAGS = "";
-				"LLDB_COMPRESSION_CFLAGS[sdk=macosx10.11internal]" = "-DHAVE_LIBCOMPRESSION=1";
-				LLDB_COMPRESSION_LDFLAGS = "";
-				"LLDB_COMPRESSION_LDFLAGS[sdk=macosx10.11]" = "-weak-lcompression";
+				LLDB_COMPRESSION_CFLAGS = "-DHAVE_LIBCOMPRESSION=1";
+				LLDB_COMPRESSION_LDFLAGS = "-weak-lcompression";
 				LLDB_COVERAGE_CFLAGS = "$(LLDB_COVERAGE_CFLAGS_$(LLDB_ENABLE_COVERAGE))";
 				LLDB_COVERAGE_CFLAGS_1 = "-fprofile-instr-generate -fcoverage-mapping";
 				LLDB_COVERAGE_LDFLAGS = "$(LLDB_COVERAGE_LDFLAGS_$(LLDB_ENABLE_COVERAGE))";