--- a/hotspot/src/share/vm/gc/g1/g1_globals.hpp	Fri Mar 11 12:17:35 2016 +0100
+++ b/hotspot/src/share/vm/gc/g1/g1_globals.hpp	Fri Mar 11 15:34:48 2016 +0300
@@ -233,10 +233,6 @@
           "Raise a fatal VM exit out of memory failure in the event "       \
           " that heap expansion fails due to running out of swap.")         \
                                                                             \
-  develop(uintx, G1ConcMarkForceOverflow, 0,                                \
-          "The number of times we'll force an overflow during "             \
-          "concurrent marking")                                             \
-                                                                            \
   experimental(uintx, G1MaxNewSizePercent, 60,                              \
           "Percentage (0-100) of the heap size to use as default "          \
           " maximum young gen size.")                                       \

--- a/hotspot/src/share/vm/runtime/globals.hpp	Fri Mar 11 12:17:35 2016 +0100
+++ b/hotspot/src/share/vm/runtime/globals.hpp	Fri Mar 11 15:34:48 2016 +0300
@@ -1049,9 +1049,6 @@
           "directory) of the dump file (defaults to java_pid<pid>.hprof "   \
           "in the working directory)")                                      \
                                                                             \
-  develop(size_t, HeapDumpSegmentSize, 1*G,                                 \
-          "Approximate segment size when generating a segmented heap dump") \
-                                                                            \
   develop(bool, BreakAtWarning, false,                                      \
           "Execute breakpoint upon encountering VM warning")                \
                                                                             \
@@ -2065,9 +2062,6 @@
   develop(uintx, MetadataAllocationFailALotInterval, 1000,                  \
           "Metadata allocation failure a lot interval")                     \
                                                                             \
-  develop(bool, TraceMetadataChunkAllocation, false,                        \
-          "Trace chunk metadata allocations")                               \
-                                                                            \
   notproduct(bool, ExecuteInternalVMTests, false,                           \
           "Enable execution of internal VM tests")                          \
                                                                             \
@@ -2774,10 +2768,6 @@
           "Produce histogram of IC misses")                                 \
                                                                             \
   /* interpreter */                                                         \
-  develop(bool, ClearInterpreterLocals, false,                              \
-          "Always clear local variables of interpreter activations upon "   \
-          "entry")                                                          \
-                                                                            \
   product_pd(bool, RewriteBytecodes,                                        \
           "Allow rewriting of bytecodes (bytecodes are not immutable)")     \
                                                                             \